Select options showing a sensible and meaningful serial order of the jumbled sentences. |
[a] Most of them are combinations of hydrogen and carbon in varying proportions. |
[b] The products obtained after refining are used for different purposes. |
[c] Crude oil comes out of the earth as a strong-smelling, thick, black liquid. |
[d] They contain various impurities, and so it is necessary to refine crude oil before it can be used. |
[e] It is a complex mixture of many different substances, who have their own individual qualities. |
A) c, e, a, d, b
B) b, d, c, e, a
C) e, b, a, c, d
D) c, e, d, b, a
Correct Answer: A
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