Question

11.
Gasoline is obtained from crude petroleum oil by its
(A) fractional distillation
(B) vacuum distillation
(C) steam distillation
(D) pyrolysis
12.
When a metal X is added to dilute HCl solution, there is no evolution of gas. The metal X is
(A)K
(B) Na
(C) Ag
(D) Zn​

Answer 1

Answer:

1. vacuum distillation

2 Zn

Answer 2

Answer:

1.Gasoline is a volatile, flammable liquid obtained from the refinement of petroleum, or crude oil. It was originally discarded as a byproduct of kerosene production, but its ability to vaporize at low temperatures made it a useful fuel for many machines.

2.your answer Ag because it is less reactive than HCL and it will not displace h2.