The molecular structure of the straight-run gasoline is changed by
A. reforming
B. refining
C. cracking
D. boiling
Answer:A
The molecular structure of the straight-run gasoline is changed by
A. reforming B. refining C. cracking D. boiling
Explanation: The molecular structure of the straight-run gasoline is changed by reforming and hydrocarbons are decomposed into smaller hydrocarbons by cracking.