Chemical & Petrochemical Sector

36. Which petrochemical is used in the production of polyurethane foam?
a) Ethylene
b) Propylene
c) Toluene diisocyanate (TDI)
d) Benzene

37. Which chemical is commonly used as a desiccant to absorb moisture?
a) Silica gel
b) Activated charcoal
c) Calcium chloride
d) Zeolite

38. Which Indian state is known for its production of chemicals and petrochemicals in the eastern region?
a) West Bengal
b) Odisha
c) Jharkhand
d) Bihar

39. Which chemical is commonly used as a bleaching agent in paper production?
a) Hydrogen peroxide
b) Sodium hypochlorite
c) Chlorine dioxide
d) Potassium permanganate

40. Which petrochemical is used in the production of ethylene glycol?
a) Ethylene
b) Propylene
c) Butadiene
d) Benzene