A) Only petroleum is prepared in the laboratory
B) Petrochemicals are products of coal and petroleum
C) Both coal and petroleum are prepared in the laboratory
D) Petrochemicals are products of petroleum and natural gas
Correct Answer: D
Solution :
Many substances are obtained from petroleum and natural gas. Some of these products are fertilizers, detergents, fibres, nylon, polythene etc. These products are together called petrochemicals. The correct answer is D.
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