31. Detergents are made from:
A) Hydrocarbons
B) Alcohols
C) Sulfonates
D) Acids
Answer: C
32. Soap is produced by:
A) Neutralization
B) Saponification
C) Oxidation
D) Reduction
Answer: B
33. The raw material for soap is:
A) Oil/fat
B) Sugar
C) Salt
D) Alcohol
Answer: A
34. Which industry produces plastics?
A) Textile
B) Polymer industry
C) Metallurgical
D) Cement
Answer: B
35. Polythene is made from:
A) Ethene
B) Methane
C) Propane
D) Butane
Answer: A
36. PVC is made from:
A) Ethene
B) Vinyl chloride
C) Methanol
D) Propene
Answer: B
37. Which polymer is biodegradable?
A) Nylon
B) Polythene
C) PHB
D) PVC
Answer: C
38. Which industry produces dyes?
A) Petrochemical
B) Textile
C) Chemical
D) Pharmaceutical
Answer: C
39. Synthetic dyes are derived from:
A) Coal tar
B) Wood
C) Water
D) Minerals
Answer: A
40. Pharmaceuticals are related to:
A) Medicines
B) Plastics
C) Metals
D) Fertilizers
Answer: A