Question

A. Choose the correct option:
5. Destructive distillation makes use of this property to separate different fractions of crude oil
a. difference in boiling points of hydrocarbons present in petroleum
b. difference in melting points of hydrocarbons present in petroleum
c. difference in the number of carbon atoms in the hydrocarbons present in petroleum
d. both b and c

State true (T) or false (F) and explain why :
1. In humans, the nucleus of each cell contains chromosomes in pair.
2. When the sperm and ovum fuses, the zygote receives 23 pair of chromosomes.

*Important questions so please answer judiciously and correctly.
*Mention the question no. correctly
*Don't leave the answer in half​

Answer 1

Answer:

ans d is your right answer