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Pharmaceutical Chemistry-1 (Inorganic) Practice Test Set #2 | P Chem 1 MCQs

Q1. What is green vitrol?

A) Copper sulphate
B) Ferrous sulphate
C) Magnesium sulphate
D) Sodium sulphate

Answer: (B) Ferrous sulphate

ferrous sulphate is also known as green vitrol (vitriol). It is used to treat Iron deficiency anaemia.

Q2. Ferrous salt with organic acid is preferred because these are-

A) Less astringent
B) More potent
C) Less astringent and less irritant
D) Less irritant

Answer: (C) Less astringent and less irritant

Ferrous salt with organic acids (Ferrous fumarate, Ferrous Gluconate etc.) are less astringent and less irritant than ferrous salt alone.

Q3. Which one of these is used in metabolic alkalosis?

A) Sodium chloride
B) Sodium bicarbonate
C) Ammonium chloride
D) Potassium citrate

Answer: (C) Ammonium chloride

Ammonium chloride is an acidic salt it converted to ammonia and hydrochloric acid on metabolism, so used to treat metabolic alkalosis.

Q4. To carry out limit test for sulphate and chloride in potassium permangnate, colour is destroyed by boiling with-

A) Water
B) Ethanol alcohol
C) Oxalic acid
D) Sulphuric acid

Answer: (B) Ethanol alcohol

Ethanol is used to destroy the pink colour of KMnO4 (potassium permangnate) in the limit test.

Q5. Which one of these is used in sunburns?

A) Titanium oxide
B) Potassium iodide
C) Boric acid
D) Calamine

Answer: (A) Titanium oxide

Titanium dioxide is used as a pigment, sunscreen, and a thickener in cosmetic and skin care products.

Q6. The activity of radioactive particles passing through biological tissue depends on-

A) Ability of the radiation to penetrate tissue
B) Energy of radiation
C) surface area exposed
D) all of these

Answer: (D) all of these

The radioactive particles are used for diagnostic and therapeutic purposes.

Q7. Drug used in inhalants administered in the form of-

A) solid droplets
B) liquid droplets
C) gas
D) none of these

Answer: (A) solid droplets

Small size solid particles of a drug are administered as inhalants.

Q8. Solution of Borax is used as eyewash and wet dressing for wounds is-

A) 1-2% of solution
B) 10-20% of solution
C) 5-10% of solution
D) 70-78% of solution

Answer: (B) 10-20% of solution

A 12% w/v solution of Borax is used as eyewash and wet dressing of wounds.

Q9. Which of the following is used as a protective and soothing application in eczema?

A) Silicon polymers
B) zinc oxide
C) calamine
D) bentonite

Answer: (B) zinc oxide

Zinc oxide has protective and soothing (non-irritant) properties hence used in eczema.

Q10. Antacids forms metal complexes with-

A) Chloramphenicol
B) Paracetamol
C) Tetracycline
D) Cephalosporin's

Answer: (C) Tetracycline

Antacids form complexes with tetracyclines and amphetamine thereby altering their bioavailability.

Q11. Bismuth subcarbonate is an example of-

A) Chelating agent
B) Preservative
C) Protective and adsorbents
D) Cathartics

Answer: (C) Protective and adsorbents

Bismuth subcarbonate, methylcellulose, etc. has protective and adsorbent properties and is used for the treatment of Diarrhea.

Q12. Which statement below is correct for cathartics?

A) Agents which reduce the evacuation of bowels
B) Agents which is used in case of diarrhoea
C) Agents which is used in case of acidosis
D) Agents which fastens and increase evacuation of bowels

Answer: (D) Agents which fastens and increase evacuation of bowels

Cathartic (sorbitol, magnesium citrate, magnesium sulphate, sodium sulphate) accelerates defecation.

Q13. Which statement is correct for topical agents?

A) It is used externally
B) drug may accomplish within body cavity
C) They are not placed in eyes, nose or mouth
D) All statements are correct

Answer: (C) They are not placed in eyes, nose or mouth

Topical agents are used externally and should not be used in eye, nose, or mouth.

Q14. The stabilizing agent is used with adrenaline injection is-

A) Sodium thiosulphate
B) Sodium metabisulphite
C) sodium bisulphate
D) sodium sulphate

Answer: (B) Sodium metabisulphite

Sodium metabisulphite (Na₂S₂O₅) is added to adrenaline or lidocaine injection as stabilizing agent to prevent the oxidation of these agents (improves self life)

Q15. Sodium thiosulphate is used as-

A) Antidote
B) Antioxidant
C) Antifungal
D) All of these

Answer: (D) All of these

Sodium thiosulphate is used as an antidote for cyanide poisoning, an antioxidant, topical antifungal, and anti-ringworm agent.

Q16. Which of the following is used as Rust inhibitor?

A) sodium nitrite
B) calcium carbide
C) Liquid nitrogen
D) sodium thiosulphate

Answer: (A) sodium nitrite

Sodium nitrite is an effective rust inhibitor and is used as an additive in industrial greases.
Sodium nitrite is also used in cyanide poisoning. Sodium nitrite and amine nitrite when used as an antidote for cyanide poisoning a non-toxic cyanide derivative of methaemoglobin (Cyanomethaemoglobin) is formed.
sodium nitrite forms complex ions with different metallic salts.

Q17. Karl Fischer reagent consists-

A) Iodine and sulphur dioxide in water with methanol
B) iodine and sulphur dioxide in pyridine with methanol
C) sulphur dioxide in pyridine with methanol
D) Iodine and sulphur dioxide

Answer: (B) iodine and sulphur dioxide in pyridine with methanol

Karl Fischer reagent is a mixture of iodine, sulphur dioxide (SO₂), and pyridine in methanol.

Q18. Salicylic acid is used as-

A) Analgesic
B) Antipyretic
C) Keratolytic agent
D) None of these

Answer: (C) Keratolytic agent

Salicylic acid, urea, lactic acid, and allantoin are used as keratolytic agents.

Q19. Collutorium means-

A) Eye lotion
B) Mouth wash
C) Half
D) Immediately

Answer: (B) Mouth wash

Collutorium or collutory means mouthwash.

Q20. The Chemical name of Vitamin C is -

A) Ascorbic acid
B) Benzoic acid
C) Maleic acid
D) None of the above

Answer: (A) Ascorbic acid

Ascorbic acid is known as vitamin C. It is used in the treatment of vitamin C Deficiency and to boost up the immune system.

Q21. Standard solution of arsenic contain-

A) Arsenious acid
B) Arsine
C) Arsenic acid
D) Arsenic oxide

Answer: (C) Arsenic acid

Arsenic acid is used to prepare a standard solution of arsenic.

Q22. The Colour of the lead dithizone complex is-

A) Green colour
B) Yellow colour
C) Violet colour
D) None of these

Answer: (C) Violet colour

Lead dithizone complex is violet in color.

Q23. Oxygen is used in the treatment of-

A) CO poisoning
B) Lead poisoning
C) Mercury poisoning
D) Blood pressure

Answer: (A) CO poisoning

Oxygen is used in Carbon monoxide poisoning.

Q24. In the limit test of iron, the colour is obtained due to formation of-

A) Ferric salt
B) Ferrous salt
C) Ferrous ion
D) Ferric ion

Answer: (B) Ferrous salt

In the iron limit test, the colour is produced due to the formation of ferrous thioglycolate salt.

Q25. Ammonium carbonate assay is based on the principle-

A) Acid-base
B) Iodometric
C) Complexometric
D) Conductometric

Answer: (A) Acid-base

The assay of ammonium carbonate is based on acidometry and alkalimetry (acid-base) titration. Methyl red solution is used as an indicator for this assay. Ammonium carbonate is used as a respiratory stimulant and expectorant.

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