MCQ ON PHARMACEUTICAL INORGANIC CHEMISTRY

1. Which of the following is used as a respiratory stimulant?
  A) Sodium chloride
  B) Ammonium carbonate ✅
  C) Calcium gluconate
  D) Sodium fluoride
2. What is the mechanism of action of Ammonium carbonate?
  A) Central depression
  B) Reflux stimulation of respiratory tract ✅
  C) Enzyme inhibition
  D) Protein synthesis
3. Sodium fluoride is used as:
  A) Laxative
  B) Anticaries agent ✅
  C) Antacid
  D) Diuretic
4. The solution of Sodium fluoride should be stored in:
  A) Glass bottle
  B) Plastic container
  C) Pyrex ware ✅
  D) Aluminium foil
5. The half-life of a radioactive substance is the time it takes for:
  a) All the nuclei to decay
  b) Half of the initial radioactive nuclei to decay✅
  c) The substance to become completely stable
  d) The activity to reach zero
6. Which test confirms acetate ion?
  A) Formation of H2 gas
  B) Formation of acetic acid on heating with oxalic acid ✅
  C) Formation of ammonia gas
  D) Liberation of chlorine
7. Which reaction confirms calcium ion?
  A) Formation of red precipitate
  B) Formation of white precipitate with ammonium carbonate ✅
  C) Liberation of CO2
  D) Formation of blue solution
8. Which colour is the oxygen cylinder shoulder painted?
  A) Grey
  B) Black
  C) White ✅
  D) Red
9. The shoulder of Carbon dioxide cylinder is painted:
  A) Black
  B) White
  C) Grey ✅
  D) Red
10. What reagent is used in the limit test for chlorides?
  A) Sodium hydroxide
  B) Silver nitrate ✅
  C) Ferric chloride
  D) Potassium permanganate
11. Calcium gluconate is used as:
  A) Respiratory stimulant
  B) Calcium replenisher ✅
  C) Anticaries agent
  D) Antiseptic
12. Synonym of Calcium gluconate is:
  A) Milk of sulphur
  B) Calcii gluconas ✅
  C) Tin fluoride
  D) Sodium tetraborate
13. The assay of Boric acid is carried out with:
  A) Hydrochloric acid
  B) Sodium hydroxide after complexing with glycerine ✅
  C) Sulphuric acid
  D) Nitric acid
14. Deficiency of Iodine leads to:
  A) Anaemia
  B) Goitre ✅
  C) Rickets
  D) Scurvy
15. Synonym of Stannous fluoride is:
  A) Tin fluoride ✅
  B) White vitriol
  C) Precipitated sulphur
  D) Sodium borate
16. Ferrous sulphate is used as:
  A) Antacid
  B) Hematinic ✅
  C) Expectorant
  D) Laxative
17. Limit test for iron uses which reagent?
  A) Thioglycolic acid ✅
  B) Hydrochloric acid
  C) Silver nitrate
  D) Iodine solution
18. Synonym of Sodium hydroxide is:
  A) Caustic soda ✅
  B) Baking soda
  C) Washing soda
  D) Soda lime
19. Antimony potassium tartrate is used as:
  A) Antacid
  B) Emetic ✅
  C) Anticaries
  D) Analgesic
20. Ammonium chloride is used as:
  A) Antidiarrheal
  B) Expectorant ✅
  C) Antipyretic
  D) Antacid
21. Ammonium chloride is stored in:
  A) Plastic bag
  B) Air-tight container ✅
  C) Wooden box
  D) Glass tumbler
22. Which is not a content of a pharmacopoeial monograph?
  A) Description
  B) Molecular weight
  C) Packing material ✅
  D) Tests for purity
23. Definition of “Pharmacopoeia” is:
  A) A medical shop
  B) A list of poisons
  C) Official book of drug standards ✅
  D) A list of hospitals

24 Sodium metabisulphite” is chemically used as:
A) Oxidizing agent
B) Reducing agent ✅
C) Antacid
D) Emulsifier

1. Formula of Sodium metabisulphite” is:
  A) Na2SO3
  B) Na2S2O5 ✅
  C) NaHSO4
  D) Na2CO3
2. Sodium metabisulphite is used to preserve:
  A) Acids
  B) Ascorbic acid injections ✅
  C) Base
  D) Water
3. Which is not a mechanism of antimicrobial agents?
  A) Oxidation
  B) Halogenation
  C) Protein precipitation
  D) Alkylation ✅
4. Potassium permanganate”acts by:
  A) Oxidation ✅
  B) Reduction
  C) Precipitation
  D) Halogenation
5. Iodine acts by:
  A) Oxidation
  B) Halogenation ✅
  C) Precipitation
  D) Neutralization
6. Silver nitrate” acts by:
  A) Oxidation
  B) Precipitation✅
  C) Neutralization
  D) Reduction
7. Synonym of Chlorinated lime”] is:
  A) Caustic soda
  B) Bleaching powder ✅
  C) Washing soda
  D) Milk of sulphur
8. Formula of Chlorinated lime” is:
  A) CaCO3
  B) Ca (OCl)Cl ✅
  C) Ca (OH)2
  D) CaCl2
9. Chlorinated lime liberates:
  A) Bromine
  B) Oxygen
  C) Chlorine ✅
  D) Iodine
10. Which system maintains acid-base balance?
  A) Buffer system ✅
  B) Digestive system
  C) Skeletal system
  D) Muscular system
11. Normal plasma pH is:
  A) 6.5–6.8
  B) 7.38–7.42 ✅
  C) 8–9
  D) 5–6
12. pH < 7.38 is called:
  A) Alkalosis
  B) Acidosis ✅
  C) Neutral
  D) Amphoteric
13. Desensitizing agent used in dentin hypersensitivity is:
  A) Strontium chloride”✅
  B) Sodium chloride”
  C) Sodium fluoride”
  D) Potassium nitrate”
14. Which is not a radioactivity measurement device?
  A) Geiger-Muller counter”
  B) Scintillation counter”
  C) Centrifuge” ✅
  D) Ionization chamber”
15. Arrhenius acid-base theory” defines acid as:
  A) H⁺ donor ✅
  B) OH⁻ donor
  C) Electron donor
  D) Proton acceptor
16. Limitation of Arrhenius acid-base theory” is:
  A) Applies only to aqueous medium✅
  B) Explains non-aqueous
  C) Explains all acids
  D) Includes all solvents
17. ORS stands for:
  A) Oral rehydration solution ✅
  B) Oral replacement salt
  C) Osmotic rehydration solution
  D) Osmotic regulation salt
18. WHO formula of Oral Rehydration Salts (ORS) contains __________ gm NaCl.
  A) 2
  B) 3.5✅
  C) 1.5
  D) 2.9
19. Barium sulphate is used as:
  A) Antacid
  B) X-ray contrast medium ✅
  D) Antiseptic
20. Barium sulphate is:
  A) Soluble in water
  B) Insoluble in water ✅
  C) Soluble in alcohol
  D) Volatile
21. Aluminium hydroxide gel is used as:
  A) Antacid ✅
  B) Cathartic
  C) Sedative
  D) Diuretic
22. Magnesium sulphate is used as:
  A) Antiemetic
  B) Laxative ✅
  C) Anticaries
  D) Astringent
23. Bismuth subcarbonate is used as:
  A) Adsorbent ✅
  B) Antiemetic
  C) Expectorant
  D) Hematinic

48.Selenium sulphide is used as:
A) Antidote
B) Antidandruff ✅
C) Antacid
D) Laxative

49Talc” is used as:
A) Lubricant ✅
B) Diuretic
C) Hematinic
D) Cathartic

50 Calamine”] is used as:
A) Topical protective ✅
B) Antacid
C) Laxative
D) Hematinic

51.Potassium permanganate is used as:
A) Antiseptic ✅
B) Antacid
C) Anticaries
D) Antiemetic

1. Hydrogen peroxide is used as:
  A) Antiseptic ✅
  B) Antacid
  C) Diuretic
  D) Antitussive

53.Hydrogen peroxide solution used for gargles is:
A) 0.2%
B) 1.6% ✅
C) 10%
D) 0.05%

1. The color developed in the limit test for iron is due to the formation of:
  a) Ferrous complex with citric acid
  b) Ferrous thioglycollate✅
  c) Iron hydroxide precipitate
  d) Ferric thiocyanate
2. Sodium nitrite is used as:
  A) Antidote in cyanide poisoning ✅
  B) Antacid
  C) Laxative
  D) Astringent
3. Ferrous sulphate known as:
  A) Green vitriol✅
  B) Pink vitriol
  C) White vitriol
  D) Brown vitriol
4. Sodium hydroxide is—– substance:
  A) Deliquescent ✅
  B) Efflorescent
  C) Hygroscopic
  D) Neutral
5. Sodium hydroxide absorbs:
  A) HCl
  B) Moisture and CO2 ✅
  C) Oxygen
  D) Nitrogen
6. Antimony potassium tartrate is used in:
  A) Kala-azar ✅
  B) Malaria
  C) Tuberculosis
  D) Diabetes
7. Iodine color is:
  A) Bluish black ✅
  B) Green
  C) White
  D) Yellow

61.Iodine is soluble in:
A) Alcohol ✅
B) Water
C) Oil
D) Sugar

1. Iodine is stored in:
  A) Open tray
  B) Closed container ✅
  C) Plastic bag
  D) Wooden jar
2. Sodium fluoride corrodes:
  A) Aluminium
  B) Glass ✅
  C) Steel
  D) Copper
3. Calcium carbonate is used as:
  A) Antacid ✅
  B) Diuretic
  C) Emetic
  D) Cathartic
4. Calcium carbonate is:
  A) Insoluble in water ✅
  B) Highly soluble
  C) Effervescent in alcohol
  D) Gaseous
5. Magnesium sulphate taste is:
  A) Sweet
  B) Bitter ✅
  C) Salty
  D) Sour
6. Boric acid needs which compound for assay?
  A) Glycerine ✅
  B) Alcohol
  C) Water
  D) HCl
7. Boric acid is:
  A) Weak acid ✅
  B) Strong acid
  C) Base
  D) Neutral
8. Boric acid complex with glycerine becomes:
  A) Strong acid ✅
  C) Base
  D) Salt
9. What is the role of thioglycollic acid in the limit test for iron?
  a) To make the solution alkaline
  b) To complex with iron and act as a reducing agent✅
  c) To precipitate the iron impurity
  d) To form a soluble citrate complex
10. Carbon dioxide is used in:
  A) Beverages ✅
  B) Bleaching
  C) Tanning
  D) Lubricants
11. Carbon dioxide solid is called:
  A) Dry ice ✅
  B) Black ice
  C) Blue ice
  D) Snow
12. Ferrous sulphate is:
  A) Reducing agent ✅
  B) Oxidizing agent
  C) Neutral
  D) Inert
13. Zinc sulphate synonym is:
  A) Blue vitriol
  B) Green vitriol
  C) White vitriol ✅
  D) Red vitriol
14. Borax synonym is:
  A) Sodium carbonate
  B) Calcium carbonate
  C) Sodium tetraborate ✅
  D) Sodium bicarbonate
15. Stannous fluoride is used as:
  A) Anticaries ✅
  B) Emetic
  C) Expectorant
  D) Laxative
16. Precipitated sulphur synonym is:
  A) Bleaching powder
  B) Calcii gluconas
  C) Milk of sulphur ✅
  D) White vitriol
17. Iron salts are incompatible with:
  A) Tannins ✅
  B) Alcohol
  C) Water
  D) Salt

79.Calcium gluconate is incompatible with:
A) Glucose
B) Alcohol
C) Water
D) Phosphates ✅

1. Ammonium carbonate releases:
  A) Ammonia✅
  B) Hydrogen
  C) Oxygen
  D) Chlorine
2. Ammonium carbonate is:
  A) Alcohol soluble
  B) Insoluble
  C) Fat soluble
  D) Freely soluble in water ✅
3. Ammonium carbonate acts as:
  A) Astringent
  B) Anticaries
  C) Respiratory stimulant ✅
  D) Laxative
4. Sodium fluoride is:
  A) Colorless ✅
  B) Red
  C) Blue
  D) Green
5. Sodium fluoride is stored in:
  A) Paper bag
  B) Open dish
  C) ✅
  D) Plastic cover
6. Iodine acts as:
  A) Oxidizing agent ✅
  B) Reducing
  C) Neutral
  D) Laxative
7. Iodine causes:
  A) Hyperthyroidism
  B) Anaemia
  C) Rickets
  D) Goitre when deficient ✅
8. Iodine is used in:
  A) Enzymes
  B) Haemoglobin
  C) Thyroid hormone synthesis ✅
  D) Bile salts
9. Sodium hydroxide is used as:
  A) Alkalizing agent ✅
  B) Acidifier
  C) Cathartic
  D) Sedative
10. Sodium hydroxide solution used as:
  A) Antacid
  B) Disinfectant ✅C) Cathartic
  D) Antiemetic
11. Hydrogen peroxide decomposes to release:
  A) Sulphur
  B) Nitrogen
  C) CO2
  D) Oxygen ✅
12. Hydrogen peroxide is:
  A) Miscible with water ✅
  B) Immiscible
  C) Fat soluble
  D) Oil soluble
13. Talc is:
  A) Liquefied
  B) Soluble
  C) Insoluble in water ✅
  D) Volatile
14. Which of the following describes radioactivity?
  A. A chemical reaction where an atom’s electrons are rearranged.
  B. The process by which a stable nucleus spontaneously gains energy.
  C. The process by which an unstable atomic nucleus loses energy by emitting radiation. ✅
  D. The breakdown of a molecule into its constituent atoms

94.Calamine is used as:
A) Antipruritic ✅
B) Antacid
C) Antiemetic
D) Anticaries

1. Potassium permanganate color is:
  A) Dark purple ✅
  B) Green
  C) White
  D) Blue
2. Potassium permanganate is a:
  A) Strong oxidizing agent ✅
  B) Weak acid
  C) Base
  D) Neutral
3. Hydrogen peroxide is used as:
  A) Anticaries
  B) Laxative
  C) Bleaching agent ✅
  D) Antipyretic
4. Bismuth subcarbonate is used as:
  A) Antidiarrheal ✅
  B) Antiemetic
  C) Anticaries
  D) Laxative
5. Magnesium sulphate is used as:
  A) Antidote in heavy metal poisoning ✅
  B) Anticaries
  C) Emetic
  D) Antacid
6. Aluminium hydroxide gel is also used as:
  A) Emetic
  B) Mild astringent ✅C) Expectorant
  D) Cathartic
7. Respiratory stimulants act mainly on:
  A) Peripheral nerves
  B) Central nervous system ✅
  C) Skeletal muscles
  D) Digestive glands
8. Ammonium carbonate loses which gases on exposure to air?
  A) Oxygen & Hydrogen
  B) Ammonia & Carbon dioxide ✅
  C) Nitrogen & Methane
  D) Sulphur dioxide & Hydrogen
9. Which impurity test uses Silver nitrate?
  A) Limit test for iron
  B) Limit test for chlorides ✅
  C) Limit test for sulphate
  D) Limit test for arsenic
10. Purpose of Nitric acid in chloride limit test is to:
  A) Reduce Ag⁺
  B) Prevent precipitation of other acid radicals ✅
  C) Enhance color
  D) Remove CO2
11. Thioglycolic acid is used in:
  A) Limit test for sulphate
  B) Limit test for iron ✅
  C) Limit test for chloride
  D) Limit test for arsenic
12. Citric acid is used in limit test for iron to:
  A) Act as buffer ✅
  B) Precipitate iron
  C) Neutralize AgNO3
  D) Supply chloride ions
13. The purple color in iron limit test indicates:
  A) Copper complex
  B) Ferrous thioglycolate complex ✅
  C) Silver chloride
  D) Iodine
14. Ammonia in iron limit test is used to:
  A) Maintain acidic medium
  B) Maintain alkaline medium ✅
  C) Reduce iron
  D) Oxidize iron
15. Antimony potassium tartrate is soluble in:
  A) Ether
  B) Alcohol
  C) Water ✅
  D) Oil
16. Sodium hydroxide should be stored in:
  A) Air-tight container ✅
  B) Wooden box
  C) Plastic wrap
  D) Paper cover
17. Sodium hydroxide absorbs which gas from air?
  A) H2
  B) SO2
  C) O2
  D) CO2 ✅
18. Buffer system in blood includes:
  A) HCO₃⁻/H₂CO₃ ✅
  B) Cl⁻/HCl
  C) Na⁺/NaOH
  D) NH₄⁺/NH₃
19. Respiratory mechanism controls acid-base balance by:
  A) Changing breathing rate ✅
  B) Releasing hormones
  C) Digesting food
  D) Increasing RBC count
20. Renal mechanism maintains pH by:
  A) Enhancing heart rate
  B) Increasing respiration
  C) Excreting ions ✅
  D) Producing CO2
21. Sodium nitrite acts as:
  A) Reducing agent ✅
  B) Oxidizing agent
  C) Neutral salt
  D) Base
22. Chlorinated lime is prepared by:
  A) Passing chlorine through Calcium hydroxide ✅
  B) Heating calcium carbonate
  C) Mixing lime with water
  D) Oxidizing calcium chloride
23. Barium sulphate is administered as:
  A) Aqueous suspension ✅
  B) Alcoholic solution
  C) Syrup
  D) Powder only
24. Geiger-Muller counter measures:
  A) Temperature
  B) Blood pressure
  C) Respiration
  D) Radioactivity ✅
25. Oral Rehydration Salts must be dissolved in:
  A) 500 mL water
  B) 1 litre water ✅
  C) 2 litres water
  D) 100 mL water
26. Ammonium chloride acts as:
  A) Sedative
  B) Antacid
  C) Expectorant ✅
  D) Anticaries
27. Ammonium chloride helps in:
  A) Treating metabolic alkalosis ✅
  B) Treating acidosis
  C) Reducing blood sugar
  D) Controlling blood pressure
28. Sodium metabisulphite is used in:
  A) Adrenaline solutions ✅
  B) Iodine tincture
  C) Sodium fluoride solution
  D) Potassium permanganate solution
29. Potassium permanganate is reduced from Mn⁷⁺ to:
  A) Mn³⁺
  B) Mn²⁺ ✅
  C) Mn⁴⁺
  D) Mn⁶⁺
30. Calamine is mainly used in:
  A) Dermatological conditions ✅
  B) Diabetes
  C) respiratory diseases
  D) Cardiac diseases
31. Strontium chloride is used at what concentration as desensitizing agent?
  A) 1%
  B) 5%
  C) 10% ✅
  D) 20%
32. Iron salts are incompatible with:
  A) Alkalis ✅
  B) Alcohol
  C) Oils
  D) Glucose

127.Iron salts interact with:
A) Glucose to form glycogen
B) Alcohol to form ester
C) Tannins to form black complex ✅
D) CO₂ to form carbonate

1. Calcium gluconate is insoluble in:
  A) Alcohol ✅
  B) Hot water
  C) Cold water
  D) Glycerin
2. Calcium gluconate is used in:
  A) Goitre
  B) Anaemia
  C) Hypocalcaemic tetany✅
  D) Scurvy
3. Iodine deficiency in infants leads to:
  A) Anaemia
  B) Rickets
  C) Cretinism ✅
  D) Scurvy
4. Iodine reacts with alkali to form:
  A) Iodide and iodate ✅
  B) Bromide
  C) Chloride
  D) Sulphate

132.Iodine shows:
A) Acidic property
B) Reducing property
C) Oxidizing property ✅
D) Amphoteric property

1. Sodium fluoride practically insoluble in:
  A) Acetone
  B) Water
  C) Ether
  D) Alcohol ✅
2. Sodium fluoride is used in:
  A) Community dental prophylaxis ✅
  B) Blood clotting
  C) Eye drops
  D) Diuretics
3. Boric acid is:
  A) Neutral
  B) Strong acid
  C) Strong base
  D) Weak monobasic acid ✅

136.The universal antidote is:
A) zinc oxide, tannic acid, and charcoal ✅
B) sodium bicarbonate, calcium chloride, and charcoal
C) zinc sulphide, acetic acid, and charcoal
D) zinc chloride, citric acid, and charcoal

1. Boric acid becomes strong acid after:
  A) Heating with NaOH
  B) Boiling with HCl
  C) Mixing with alcohol
  D) Complexing with glycerine ✅
2. Boric acid assay is:
  A) Acid-base titration ✅
  B) Redox titration
  C) Complexometric titration
  D) Precipitation titration
3. Ferrous sulphate is:
  A) Insoluble in water
  B) Soluble in water ✅
  C) Soluble in alcohol
  D) Insoluble in acids
4. Ferrous sulphate is:
  A) Strong reducing agent ✅
  B) Oxidizing agent
  C) Inert
  D) Neutral
5. Ferrous sulphat is used in:
  A) Toothpaste
  B) Ink manufacturing ✅
  C) Eye drops
  D) Mouthwash
6. Sodium nitrite is:
  A) Yellowish crystalline powder ✅
  B) Green crystals
  C) Pink powder
  D) Red crystals
7. Sodium nitrite taste is:
  A) Sweet
  B) Bitter
  C) Mild saline ✅
  D) Sour
8. Sodium nitrite acts as:
  A) Only reducing
  B) Only oxidizing
  C) Reducing & oxidizing agent ✅
  D) Neutral
9. Calcium carbonate solubility increases in:
  A) Absence of acid
  B) Presence of alkali
  C) Presence of CO₂ ✅
  D) Alcohol
10. Calcium carbonate dissolves with effervescence in:
  A) Acids ✅
  B) Alcohol
  C) Water
  D) Ether

147.Calcium carbonate is:
A) Diuretic
B) Emetic
C) Antacid ✅
D) Antiseptic

1. Oxygen is used in:
  A) Hypoxia ✅
  B) Anaemia
  C) Goitre
  D) Scurvy
2. Carbon dioxide stimulates:
  A) Respiratory centre ✅
  B) Salivary glands
  C) CNS depression
  D) Skeletal muscles
3. What is the color developed during the limit test for iron?
  a) Blue color
  b) Green color
  c) Pale pink to deep reddish-purple✅
  d) Yellow color
4. Potassium permanganate crystals are:
  A) Green
  B) Pink
  C) White
  D) Dark purple ✅
5. Potassium permanganate is:
  A) Reducing agent
  B) Powerful oxidizing agent ✅
  C) Neutral salt
  D) Weak base
6. Potassium permanganate evolves:
  A) Oxygen ✅
  B) Hydrogen
  C) CO₂
  D) Ammonia
7. Potassium permanganate is used as:
  A) Cathartic
  B) Antacid
  C) Antiseptic ✅
  D) Diuretic
8. Hydrogen peroxide is:
  A) White powder
  B) Syrupy, colorless liquid ✅
  C) Green crystals
  D) Yellow solution
9. Hydrogen peroxide decomposes to:
  A) Water + Oxygen ✅
  B) CO₂ + O₂
  C) HCl + H₂
  D) N₂ + H₂O
10. Hydrogen peroxide is used as:
  A) Mild antiseptic ✅
  B) Antacid
  C) Cathartic
  D) Laxative

158.Hydrogen peroxide is:
A) Miscible with water ✅
B) Immiscible
C) Soluble in oil
D) Volatile

1. Sodium chloride Assay is performed by Volhard methods, which reagent is not used
  A) NH₄SCN
  B) AgNO₃
  C) KMnO4 ✅
  D) Nitrobenzene
2. Calamine is practically insoluble in:
  A) Ether
  B) Water ✅
  C) Alcohol
  D) Chloroform
3. Talc is:
  A) Odorless, tasteless ✅
  B) Bitter
  C) Salty
  D) Sour
4. Talc is:
  A) Liquefiable
  B) Soluble
  C) Insoluble in water ✅
  D) Volatile
5. Talc used as:
  A) Antacid
  B) Cathartic
  C) Diuretic
  D) Dusting powder ✅
6. Bismuth subcarbonate has:
  A) Astringent property ✅
  B) Laxative
  C) Antacid
  D) Antiemetic

165.Bismuth subcarbonate used in:
A) Dysentery ✅
B) Scurvy
C) Goitre
D) Anaemia

1. Selenium sulphide is used in:
  A) Eye drops
  B) Anti-dandruff shampoos ✅
  C) Antacids
  D) Diuretics
2. The limit test for sulphate is based on the precipitation of:
  a) Sulphur dioxide
  b) Barium sulphate in the presence of HCl. ✅
  c) Barium sulphide
  d) Hydrogen sulphide

168.Magnesium sulphate is used as:
A) Emetic
B) Antacid
C) Laxative ✅
D) Sedative

1. Magnesium sulphate is antidote for:
  A) Heavy metal poisoning ✅
  B) Arsenic
  C) Iodine
  D) Fluoride
2. Aluminium hydroxide gel is:
  A) Non-systemic antacid ✅
  B) Systemic antacid
  C) Laxative
  D) Sedative
3. Aluminium hydroxide gel is used externally as:
  A) Mild astringent ✅
  B) Laxative
  C) Emetic
  D) Sedative
4. The purpose of adding sulphate free alcohol to the barium sulphate reagent is to:
  a) Increase the solubility of barium sulphate
  b) Prevent supersaturation and promote a more uniform turbidity✅
  c) React with the soluble sulphate in the sample
  d) Acidify the solution to a specific pH
5. Sodium hydroxide is also used to remove:
  A) Warts ✅
  B) Scabies
  C) Dandruff
  D) Ringworm

174.Sodium hydroxide 2.5% solution is used as:
A) Sedative
B) Antacid
C) Anticaries
D) Veterinary disinfectant ✅

1. Antimony potassium tartrateis also:
  A) Expectorant in low dose ✅
  B) Antacid
  C) Laxative
  D) Antiemetic
2. The Gueitz test for arsenic involves the formation of a yellow stain on mercuric chloride paper due to the presence of:
  a) Arsenic acid
  b) Stannous chloride
  c) Arsenious acid and stannous chloride ✅
  d) Hydrogen sulphide
3. The limit test for chloride relies on the formation of a turbidity when the sample reacts with:
  a) Silver nitrate in the presence of nitric acid
  b) Barium chloride in the presence of hydrochloric acid
  c) Silver nitrate in the presence of nitric acid and an ethan olic solution✅
  d) Potassium nitrate in the presence of acetic acid
4. Ammonium carbonatehas:
  A) Sharp ammoniacal taste ✅
  B) Sweet taste
  C) Bitter taste
  D) Salty taste
5. Ammonium carbonate solution is:
  A) Neutral
  B) Acidic
  C) Alkaline to litmus ✅
  D) Amphoteric
6. Ammonium carbonate acts also as:
  A) Expectorant ✅
  B) Antacid
  C) Laxative
  D) Astringent
7. Ammonium chloride solution is:
  A) Acidic ✅
  B) Basic
  C) Neutral
  D) Alkaline
8. All limit tests in the pharmacopoeias are based on the principle of comparing:
  a) The sample with a pure standard substance
  b) The standard turbidity or colour with that of the sample under test
  c) The solubility of the sample with a standard solution
  d) The reaction rate of the sample with a standard solution
9. Ammonium chloride helps replace:
  A) Chloride lost during vomiting ✅
  B) Sodium
  C) Calcium
  D) Magnesium
10. Sodium metabisulphite has:
  A) Sulphur-like odour ✅
  B) Odourless
  C) Sweet smell
  D) Fruity smell
11. Sodium metabisulphite oxidized to:
  A) Sulphate ✅
  B) Sulphide
  C) Carbonate
  D) Chloride
12. Chlorinated lime is:
  A) Dull white powder ✅
  B) Green
  C) Blue
  D) Yellow
13. Chlorinated lime decomposes on:
  A) Exposure to air ✅
  B) Heating
  C) Mixing with water
  D) Adding alcohol
14. Chlorinated lime is:
  A) Fat soluble
  B) Freely soluble
  C) Insoluble
  D) Sparingly soluble in water ✅
15. Which of the following reagents is used as a complexing agent to prevent the precipitation of Ferric hydroxide in the limit test for iron?
  a) Thioglycolic acid
  b) Ammonia solution
  c) Citric acid✅
  d) Ferrous ammonium sulphate
16. Barium sulphate is used for:
  A) Skin lesions
  B) heart disease
  C) GIT X-ray imaging ✅
  D) Bone fractures
17. Barium sulphate is given:
  A) IV injection
  B) Orally as suspension ✅
  C) Topically
  D) IM injection
18. Selenium sulphide acts as:
  A) Antacid
  B) Laxative
  C) Anti-seborrheic ✅
  D) Cathartic
19. Bismuth subcarbonate is:
  A) Antiseptic
  B) Emetic
  C) Protective and adsorbent ✅
  D) Cathartic
20. Bismuth subcarbonate is used in:
  A) Colitis ✅
  B) Scurvy
  C) Anaemia
  D) Goitre
21. Talc used as:
  A) Tablet lubricant ✅
  B) Cathartic
  C) Antacid
  D) Diuretic
22. Talc has:
  A) Soothing property ✅
  B) Irritant property
  C) Laxative property
  D) Acidic property
23. Oxygen cylinder shoulder color is:
  A) White ✅
  B) Black
  C) Grey
  D) Red
24. Carbon dioxide cylinder shoulder color is:
  A) White
  B) Grey ✅
  C) Black
  D) Blue
25. Nitrous oxide cylinder shoulder color is:
  A) Red
  B) White
  C) Blue ✅
  D) Black
26. Nitrous oxide is used as:
  A) Cathartic
  B) Antacid
  C) Antiseptic
  D) Anaesthetic ✅

Dr.Dash Srimanta

Hi…! Currently, I am working as an Professor at Department of Pharmaceutical Chemistry(H.O.D),The Pharmaceutical College, Barpali, Odisha. I have more than 19 years of teaching & research experience in the field of Chemistry & Pharmaceutical sciences.

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