1. Which of the following is an antipyretic drug?
Answer:
Explanation:
Antipyretic drugs are used to reduce fever. Paracetamol is commonly used for this purpose.
2. Which compound is used in antacid?
Answer:
Explanation:
Magnesium hydroxide neutralizes excess stomach acid, making it an effective antacid.
3. What is the main component of common soap?
Answer:
Explanation:
Soap is a sodium or potassium salt of long-chain fatty acids.
4. Which of the following is a synthetic detergent?
Answer:
Explanation:
Sodium lauryl sulfate is a synthetic compound commonly used in detergents and shampoos.
5. Which compound acts as an antiseptic as well as a disinfectant?
Answer:
Explanation:
Phenol can act as both an antiseptic (on living tissues) and a disinfectant (on inanimate objects).
6. Which is a commonly used preservative in pickles, sauces, and ketchups?
Answer:
Explanation:
Sodium benzoate inhibits the growth of bacteria, yeast, and molds, making it a popular preservative.
7. The artificial sweetener which is chloro derivative of sucrose is:
Answer:
Explanation:
Sucralose is derived from sucrose in which three of its hydroxyl groups are replaced by chlorine atoms.
8. Which gas is released during respiration?
Answer:
Explanation:
During respiration, oxygen is utilized and carbon dioxide is released as a waste product.
9. Which drug is used as a painkiller?
Answer:
Explanation:
Both aspirin and paracetamol are used to relieve pain.
10. Which chemical is commonly known as baking soda?
Answer:
Explanation:
Sodium bicarbonate, NaHCO₃, is commonly known as baking soda and is used in cooking.
11. Caffeine is present in:
Answer:
Explanation:
Caffeine is an alkaloid that's present in both tea and coffee.
12. The chemical responsible for the spicy nature of chili peppers is:
Answer:
Explanation:
Capsaicin gives chili peppers their characteristic spicy heat.
13. The artificial sweetener which is a peptide is:
Answer:
Explanation:
Aspartame is a dipeptide artificial sweetener.
14. Which of the following is a bleaching agent?
Answer:
Explanation:
Chlorine is commonly used as a bleaching agent in the paper and textile industries.
15. Which compound is commonly used for cloud seeding?
Answer:
Explanation:
Silver iodide is used in cloud seeding to encourage rain.
16. Which is the main component of liquid bleach?
Answer:
Explanation:
Sodium hypochlorite is the active ingredient in liquid bleach.
17. The gas usually filled in the electric bulb is:
Answer:
Explanation:
Argon is typically used in electric bulbs because it doesn't react with the filament.
18. Which compound is used as an antiseptic in mouthwashes?
Answer:
Explanation:
Chlorhexidine has antiseptic properties and is used in various mouthwashes.
19. Common salt is:
Answer:
Explanation:
Common salt is chemically known as sodium chloride.
20. Which of the following is a primary constituent of hair sprays?
Answer:
Explanation:
Polyvinyl alcohol gives hair sprays their desired properties.