Aromatic spirit of ammonia is a respiratory stimulant. It is used to treat or prevent fainting.
Q2. Most widely used anticaries agent is-
A) sodium bicarbonate
B) sodium carbonate
C) sodium fluoride
D) acacia
Answer: (C) sodium fluoride
Fluoride as sodium fluoride or stannous fluoride is used as anticaries agent.
Q3. Acid-base theory was given by-
A) Lewis
B) Hamilton
C) John
D) Raman
Answer: (A) Lewis
Acid-base theory was given by Gilbert N Lewis.
Q4. Caustic soda is synonym of-
A) NaOH
B) HCl
C) CaCO7
D) I2
Answer: (A) NaOH
Caustic soda is synonym for sodium hydroxide (NaOH).
Q5. Hydrochloric Acid (HCl ) is used in-
A) Diarrhea
B) Hyperacidity
C) Achlorhydria
D) Fever
Answer: (C) Achlorhydria
HCl is used in acid deficiency achlorhydria.
Q6. The colour of the cylinder of nitrous oxide is-
A) Red
B) Blue
C) Black
D) Orange
Answer: (B) Blue
Nitrous oxide (laughing gas) is used as anesthatic agent in dentistry and supplied in blue coloured cylinders.
Q7. A gas used for fumigation is-
A) Nitrogen oxide
B) Ethylene
C) Oxygen
D) Sulphur dioxide
Answer: (D) Sulphur dioxide
sulphure dioxide (SO2) is a fumigating gas.
Q8. Antimony potassium tartarate is used as-
A) Antidote
B) Emetic
C) Astringent
D) Buffer
Answer: (B) Emetic
Emetics are used to induce vomiting. Antimony potassium tartarate syrup of Ipecac and CuSO4 are used as emetics.
Q9. Amchlor is a synonym of-
A) Ammonium chloride
B) Sodium chloride
C) Potassium chloride
D) Ammonium hydroxide
Answer: (A) Ammonium chloride
Ammonium chloride is also known as Amchlor, used as diuretic and expectorant.
Q10. Iodine dissolves in water with the addition of-
A) Sodium chloride
B) Sulphur
C) Potassium iodide
D) Calcium carbonate
Answer: (C) Potassium iodide
potassium Iodide (KI) forms KI3 (polyiodides) with I2. KI3 is soluble in water.
Q11. Antidote used in Cyanide poisoning is-
A) Sodium chloride
B) Potassium iodide
C) sodium thiosulphate
D) sodium bicarbonate
Answer: (C) sodium thiosulphate
sodium thiosulphate, amyl nitrite, sodium nitrite etc. are used in cyanide poisoning.
Q12. Unit of measurement of radioactivity is-
A) Curie
B) Cm
C) Litre
D) Gm
Answer: (A) Curie
The unit of radioactivity is Curie and BcQurel.
Q13. Which of the following particles have no charge and mass?
A) α- particles
B) β-particles
C) γ-particles
D) All of the above
Answer: (C) γ-particles
γ particles have no charge and mass. They have lowest ionising power among the three particles.
Q14. Milk of magnesia is a common name for-
A) Suspension of magnesium oxide
B) suspension of magnesium hydroxide
C) suspension of magnesium carbonate
D) none of the above
Answer: (B) suspension of magnesium hydroxide
suspension of magnesium hydroxide is known as milk of magnesia. It is used as laxative and antacid.
Q15. Epsom salt is-
A) Sodium sulphate
B) Potassium sulphate
C) Magnesium sulphate
D) none of the above
Answer: (C) Magnesium sulphate
Magnesium sulphate is commonly known as epsom salt. It is used both externallyas in aches and pains and internally as saline laxative.
Q16. Brine is a concentrated solution of-
A) sodium hydroxide
B) sodium chloride
C) Potassium chloride
D) Potassium carbonate
Answer: (B) sodium chloride
Solution of table salt is known as Brine.
Q17. Tincture of iodine is -
A) Strong iodine solution
B) weak iodine solution
C) Aqueous iodine solution
D) none of the above
Answer: (B) weak iodine solution
Tincture of iodine (2 - 7%) is an antiseptic. It is also called weak iodine solution.
Q18. Ammonium chloride is dried by-
A) Heating to constant weight
B) Keeping in air
C) Drying over desicant
D) All of the above
Answer: (C) Drying over desicant
ammonium chloride is dried over a desicant. Direct heating decomposes ammonium chloride to ammonia and HCl.
Q19. Which one of these is used to treat dandruff?
A) Sulphur
B) Selenium sulphide
C) yellow mercuric oxide
D) none of the above
Answer: (B) Selenium sulphide
Selenium sulphide is used as antifungal agent in treating dandruff.
Q20. Alum is added to bacterial toxins and toxoids to-
A) increase activity
B) precipitation of protein
C) Reduce toxicity
D) none of the above
Answer: (A) increase activity
Alum is used in vaccines to increase the activity.
Q21. What is calamine?
A) Zinc oxide
B) Zinc oxide with traces of magnesium oxide
C) Zinc oxide with traces of ferric oxide
D) Zinc carbonate
Answer: (C) Zinc oxide with traces of ferric oxide
Calamine is a mixture of zinc oxide with 0.5% ferric oxide. It is used as anti-pruritic agent.
Q22. Which one of these is a major cation in intracellular fluid?
A) Potassium
B) Sodium
C) magnesium
D) calcium
Answer: (A) Potassium
Potassium is a major intracellular cation and sodium is a major extracellular cation.
Q23. Titrant used in the assay of ferrous sulphate I.P.1996 is-
A) Potassium parmangnate
B) cerric ammonium sulphate
C) sulphuric acid
D) none of the above
Answer: (B) cerric ammonium sulphate
Ferrous sulphate is assayed with cerric ammonium sulphate (redox titration I.P. 1996).
Q24. The lead acetate cotton wool is used in limit test for arsenic to-
A) Make the arsine gas
B) Develop the yellow colour
C) Trap the hydrogen sulphide gas
D) none of the above
Answer: (C) Trap the hydrogen sulphide gas
Lead acetate wool or paper are used to trap hydrogen sulphide gas which may be involved along with arsine gas. The hydrogen sulphide gas also react with mercuric chloride paper to give yellow colour.
Q25. Limit tests are performed in-
A) Flask
B) Test Tube
C) Nesslar cylinder
D) none of the above
Answer: (C) Nesslar cylinder
Nesslar cylinder also known as colour comprison cylinders are used to perform limit tests.
Q26. Silver nitrate should be stored in-
A) clean, dry white bottles
B) lead free white bottle
C) amber colourd bottle
D) neutral glass bottle
Answer: (C) amber colourd bottle
Silver nitrate should be protected from light. So must be stored in amber coloured bottles.
Q27. The drug commonly used to prevent sepsis in severe burn cases is-
A) sulfamethoxazole
B) silversulphadiazine
C) Salazopyrine
D) Sulfadiamidine
Answer: (B) silversulphadiazine
Silver sulphadiazine (silvadine) is a topical antibacterial used as topical cream or burns (antiseptic cream).
Q28. Which of the following is used as cryotherepeutic agent?
A) Calcium carbide
B) Liquid nitrogen
C) calcium cyanamide
D) sodium nitrite
Answer: (B) Liquid nitrogen
Liquid nitrogen is used as cryotherapeutic agent for removing malignant skin lesions such as warts and keratosis.
Q29. which of the following is used in the eye treatment in minor infections?
A) Ammoniated mercury
B) Yellow mercuric oxide
C) Potassium permangnate
D) none of the above
Answer: (B) Yellow mercuric oxide
a very low concentration of HgO is used in eye infections.
Q30. which of the following is used as Rust inhibitor?
A) Sodium nitrite
B) liquid nitrogen
C) Calcium carbide
D) sodium thiosulphate
Answer: (A) Sodium nitrite
sodium nitrite is an effective rust inhibitor and is used as an additive in industrial greases.
🎥 Video Resources
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