Which one of the following is used in petrochemical industry for cracking heavy hydrocarbon fractions into gasoline, diesel etc.?
A. permutit
B. zeolite
C. pepsin
D. protein
Answer:B
Which one of the following is used in petrochemical industry for cracking heavy hydrocarbon fractions into gasoline, diesel etc.?
A. permutit B. zeolite C. pepsin D. protein