96. Which Indian city is known for its chemical and petrochemical industry along the eastern coast?
a) Chennai
b) Kolkata
c) Bhubaneswar
d) Vishakhapatnam
97. Which chemical is commonly used as a blowing agent in the production of foam plastics?
a) Hydrogen
b) Carbon monoxide
c) Nitrogen
d) Hydrochlorofluorocarbons (HCFCs)
98. Which petrochemical is used in the production of polyvinyl chloride (PVC) pipes?
a) Ethylene
b) Propylene
c) Vinyl chloride monomer (VCM)
d) Benzene
99. Which chemical is commonly used as a solvent in paint thinners?
a) Acetone
b) Toluene
c) Xylene
d) Ethanol
100. Which Indian company is the largest producer of ammonia?
a) National Fertilizers Limited (NFL)
b) Rashtriya Chemicals and Fertilizers Limited (RCF)
c) Gujarat State Fertilizers & Chemicals Ltd.
d) Krishak Bharati Cooperative Limited (KRIBHCO)