Which gas is obtained from plastic?
A. Polynitrogen
B. Polyhydrogen
C. Polychlorine
D. Polyethylene
Answer: Option D
A. Polynitrogen
B. Polyhydrogen
C. Polychlorine
D. Polyethylene
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
Join The Discussion