Phenol is used in the manufacture of which one of the following?
A. PVC
B. Nylon
C. Polystyrene
D. Bakelite
Answer: Option D
A. PVC
B. Nylon
C. Polystyrene
D. Bakelite
Answer: Option D
The fibers, such as nylon and polyester, that are made from chemical substances are called:
A. Natural fibres
B. Wool
C. Synthetic fibres
D. Silk
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