Question

19. For the following questions, two statements are given-one labelled

Assertion (A) and the other labelled Reason (R). Select the correct answer to

these questions from the codes

(i), (ii), (iii) and (iv) as given below

(i) Both A and R are true and R is correct explanation of the assertion.

(ii) Both A and R are true but R is not the correct explanation of the assertion.

(iii) A is true but R is false.

(iv) A is false but R is true.

Assertion: Oxygen is an element.

Reason: It cannot be decomposed by a physical or a chemical process.

A. Both A and R are true and R is the correct explanation of A.

B. Both A and R are true but R is not the correct explanation of A.

C. A is true but R is false.

D. A is false but R is true.

E. Both A and R are false
​

Answer 1

Answer:

D a is false but R is true.......

Answer 2

Answer:

A is true but R is false .....