A) A is correct and R is the correct explanation of A.
B) A is correct and R is not the correct explanation of A
C) A is correct and R is wrong.
D) A is wrong and R is correct.
Correct Answer: A
Solution :
Petroleum is a dark oily liquid. It is a mixture of various constituents. Its constituents very useful. Due to its great commercial importance petroleum is also called black gold. A is correct and R is the correct explanation of A.You need to login to perform this action.
You will be redirected in
3 sec