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Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R Assertion A : Hydrogen is an environment friendly fuel. Reason R : Atomic number of hydrogen is 1 and it is very light element. In the light of the above statements, choose the correct answer from the options given below

1. Both A and R are true and R is the cor rect explanation of A
2. A is true but R is false
3. Both A and R are true but R is NOT the correct explanation of A .
4. A is false but R is true

Correct answer: Both A and R are true but R is NOT the correct explanation of A .

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