11. The paint industry in Pakistan primarily uses which type of compound as a binder?

a) Alkyd resins
b) Polyurethanes
c) Epoxy resins
d) Acrylics
Answer: a) Alkyd resins

12. Which of the following is a key product of the petrochemical industry in Pakistan?

a) Polyethylene
b) Polypropylene
c) Polystyrene
d) All of the above
Answer: d) All of the above

13. The main source of natural gas used in Pakistan’s chemical industries is:

a) Sui
b) Mari
c) Qadirpur
d) Kandhkot
Answer: a) Sui

14. Which sector of the chemical industry is responsible for producing pesticides in Pakistan?

a) Agrochemical sector
b) Pharmaceutical sector
c) Petrochemical sector
d) Textile sector
Answer: a) Agrochemical sector

15. The production of sulfuric acid is crucial for which Pakistani industry?

a) Fertilizer industry
b) Cement industry
c) Textile industry
d) Soap industry
Answer: a) Fertilizer industry

16. Which of the following cities is known for its cement production in Pakistan?

a) Karachi
b) Islamabad
c) Chakwal
d) Multan
Answer: c) Chakwal

17. The main by-product of the sugar industry used in the chemical industry is:

a) Molasses
b) Bagasse
c) Sugarcane wax
d) Ethanol
Answer: a) Molasses

18. Which of the following industries in Pakistan relies heavily on sodium chloride as a raw material?

a) Soap industry
b) Textile industry
c) Cement industry
d) Fertilizer industry
Answer: a) Soap industry

19. Which chemical is widely used in Pakistan’s textile industry for bleaching purposes?

a) Sodium hypochlorite
b) Hydrogen peroxide
c) Chlorine gas
d) Calcium hypochlorite
Answer: b) Hydrogen peroxide

20. The production of synthetic fibers in Pakistan primarily uses which polymer?

a) Polyester
b) Nylon
c) Acrylic
d) Rayon
Answer: a) Polyester