Petrochemicals are
A. mixtures of petrol and chemical fertilizer.
B. materials obtained from petroleum refining.
C. mixtures of coal and petrol.
D. mixtures of wood and chemicals.
Answer:B
Petrochemicals are
A. mixtures of petrol and chemical fertilizer. B. materials obtained from petroleum refining. C. mixtures of coal and petrol. D. mixtures of wood and chemicals.