Which of the following is an example of a petrochemical?
a) Ethanol
b) Methanol
c) Propylene
d) Acetic acid
Answer: c) Propylene

Which industry is the largest consumer of sulfur?
a) Paper and pulp
b) Cement
c) Textile
d) Fertilizer
Answer: d) Fertilizer

Which compound is used in the bleaching process in paper manufacturing?
a) Sodium hydroxide
b) Hydrogen peroxide
c) Ammonium nitrate
d) Calcium sulfate
Answer: b) Hydrogen peroxide

Which of the following is a primary product of coal gasification?
a) Methane
b) Ethylene
c) Hydrogen
d) Propane
Answer: c) Hydrogen

Which chemical is used in the electroplating industry?
a) Sodium chloride
b) Copper sulfate
c) Potassium nitrate
d) Calcium chloride
Answer: b) Copper sulfate

Which of the following is a renewable raw material used in the chemical industry?
a) Crude oil
b) Natural gas
c) Biomass
d) Coal
Answer: c) Biomass

Which compound is commonly used as an antifreeze in automobile engines?
a) Ethylene glycol
b) Methanol
c) Propane
d) Benzene
Answer: a) Ethylene glycol

Which of the following is an alkali used in the chemical industry?
a) Sodium chloride
b) Sodium hydroxide
c) Calcium carbonate
d) Ammonium sulfate
Answer: b) Sodium hydroxide

Which process is used to convert nitrogen gas into ammonia?
a) Haber process
b) Contact process
c) Ostwald process
d) Solvay process
Answer: a) Haber process

Which industry heavily uses sulfuric acid in its processes?
a) Textile
b) Pharmaceutical
c) Fertilizer
d) Petrochemical
Answer: c) Fertilizer