(A) 10% (X)
(B) 15% (X)
(C) 20% ()
(D) 30% (X)
Answers: The fractional distillation of petroleum produces gasoline up to 20%.
(A) 10% (X)
(B) 15% (X)
(C) 20% ()
(D) 30% (X)
Answers: The fractional distillation of petroleum produces gasoline up to 20%.
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