Unit 15: Common Chemical Industries in Pakistan

21. Which city is the hub of Pakistan’s pharmaceutical industry?

a) Lahore
b) Karachi
c) Islamabad
d) Faisalabad
Answer: b) Karachi

22. The primary feedstock for Pakistan’s petrochemical industry is:

a) Crude oil
b) Natural gas
c) Coal
d) Biomass
Answer: b) Natural gas

23. Which chemical is essential in the manufacture of detergents in Pakistan?

a) Linear alkylbenzene sulfonate (LABS)
b) Sodium chloride
c) Ammonium sulfate
d) Sodium bicarbonate
Answer: a) Linear alkylbenzene sulfonate (LABS)

24. Which of the following is a significant export of Pakistan’s chemical industry?

a) Urea
b) Cement
c) Sodium carbonate
d) Sulfuric acid
Answer: a) Urea

25. The production of glass in Pakistan requires the melting of raw materials at approximately:

a) 1000°C
b) 1200°C
c) 1400°C
d) 1600°C
Answer: c) 1400°C

26. Which of the following is a key challenge faced by Pakistan’s chemical industries?

a) Energy shortages
b) Raw material shortages
c) Environmental regulations
d) All of the above
Answer: d) All of the above

27. The primary use of gypsum in Pakistan is in:

a) Cement production
b) Fertilizer production
c) Pharmaceuticals
d) Glass production
Answer: a) Cement production

28. Which process is commonly used in Pakistan to produce caustic soda?

a) Electrolysis of brine
b) Thermal decomposition of sodium carbonate
c) Chlorination of sodium hydroxide
d) Fermentation of sodium chloride
Answer: a) Electrolysis of brine

29. The synthetic rubber industry in Pakistan is based on the polymerization of:

a) Butadiene
b) Ethylene
c) Propylene
d) Styrene
Answer: a) Butadiene

30. Which city is the primary location for Pakistan’s petrochemical plants?

a) Karachi
b) Lahore
c) Multan
d) Peshawar
Answer: a) Karachi