A) \[{{C}_{7}}-{{C}_{12}}\]
B) \[{{C}_{2}}-{{C}_{5}}\]
C) \[{{C}_{6}}-{{C}_{11}}\]
D) none of these
Correct Answer: A
Solution :
The process of obtaining useful fractions with different boiling ranges and free from undesirable temperature is known as refining of crude oil. The various fractions obtained have different number C-atoms Petroleum ether \[={{C}_{5}}-{{C}_{7}}\] Gasoline \[{{C}_{7}}-{{C}_{12}}\] Kerosene \[{{C}_{12}}-{{C}_{15}}\] Gas oil, fuel oil, diesel \[{{C}_{15}}-{{C}_{18}}\]
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