ASSERTION –REASON
1. Assertion (A): The slow process of conversion of dead vegetation into coal is called
carbonisation.
Reason (R): When heated in air, coal burns and produces mainly carbon dioxide gas.
A) A is correct and R is the correct explanation of A.
B) A is correct and R is not the correct explanation of
C) A is correct and R is wrong.
D) A is wrong and R is correct.
2. Assertion (A): Natural gas is a very important fossil fuel.
Reason (R): It is a cleaner fuel.
A) A is correct and R is the correct explanation of A.
B) A is correct and R is not the correct explanation of
C) A is correct and R is wrong.
D) A is wrong and R is correct.
