(i) in fractional distillation of petroleum, hydrocarbon with lowest boiling point condenses first. |
(ii) Useful substances obtained from petroleum and natural gas are termed as 'Petrochemicals'. |
(iii) Coke is used in the extraction of many metals. |
(iv) Paraffin wax used in candles, vaseline, grease, polish is obtained by destructive distillation of coal. |
A) (i) and (ii)
B) (i) and (iv)
C) (i), (ii) and (iii)
D) (ii) and (iv)
Correct Answer: B
Solution :
In fractional distillation of petroleum, hydrocarbon with highest boiling point condenses first. Paraffin wax is obtained by fractional distillation of crude oil or petroleum.You need to login to perform this action.
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