Chem In Everyday life

Question 1

What are antacids? Give an example.

Answer 1

Drugs used to remove excess acid in the stomach and maintain the normal pH level.

Example: Omeprazole, Lansoprazole.

Question 2

What are antihistamines? Give an example.

Answer 2

Drugs used to diminish the effect of histamine, preventing allergy symptoms like sneezing and a running nose.

Example: Dimetane (Dimetapp), Terfenadine (Seldane).

Question 3

What are antibiotics? Give an example.

Answer 3

Drugs used to kill or stop the growth of harmful bacteria, produced by microorganisms.

Example: Penicillin, Chloramphenicol, Sulphadiazine.

Question 4

What are antiseptics? Give an example.

Answer 4

Drugs used to kill or prevent the growth of harmful microorganisms, applied externally.

Example: Dettol, Bithional, Tincture of iodine.

Question 5

What are artificial sweetening agents? Give an example.

Answer 5

Low-calorie sweeteners used as sugar substitutes.

Example: Saccharin, aspartame, Sucralose.

Question 6

What are food preservatives? Give an example.

Answer 6

Chemical substances used to protect food against bacteria, yeasts, and moulds.

Example: Table salt, sugar syrup.

Question 7

What are antifertility drugs? Give an example.

Answer 7

Steroid drugs used to control pregnancy and regulate the female menstrual cycle and ovulation.

Example: Northindrone, Ethynylestradiol, Mifepristone.

Question 8

What is the difference between soap and synthetic detergent?

Answer 8

Soap is used in soft water only, while detergent can be used in both soft and hard water.