Which of these are correct?

Question

A chemist is doing research to find a better way to process natural gas after it is removed from the ground. Which branch of chemistry best describes this chemist's work?

A: organic chemistry 

B: inorganic chemistry 

C: biochemistry 

D: physical chemistry

Answer 1

Organic.

Methane formula: CH4

It has a C in it. Organic chem studies molecules with C.