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Assertion : Carbon dioxide is used as a ...

Assertion : Carbon dioxide is used as a fire extinguisher.
Reason : Fire can be extinguished by cutting off the supply of oxygen.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If assertion is false but reason is true

Text Solution

Verified by Experts

The correct Answer is:
D
`CCl_4` is used as a fire extinguisher. Its dense, noncombustible vapours cover the burning substance and prevents the availability of oxygen around burning material.
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