1.

     Assertion (A): The slow process of conversion of dead vegetation into coal is called catenation. 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.
Answer» E.


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