Question

Assertion: Oxygen is an element. Reason: It cannot be decomposed by a physical and chemical processes​

Answer 1

Both Assertion and Reason are true but Reason isn't the correct explanation of Assertion

Answer 2

Answer:

Both A & R are true but R not correct explanation

Explanation:

Oxygen is an element because it is made up of only one kind of atom . Not because the characteristic of the element .