Chemistry
Assertion (A): The RMM of a gas is 64, then its vapour density is 32.
Reason (R): RMM is twice the vapour density.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
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- 3.

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