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Assertion : ZnO becomes yellow when it i...

Assertion : `ZnO` becomes yellow when it is beated
Reason: `NaCI` becomes yellow when heater in the presence of Na vapours due to anion vacancy

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 bur reason is false

D

If assertion is false bur reason is true

Text Solution

Verified by Experts

The correct Answer is:
b
Zinc oxide losses oxygen reversible at hight temperature and turn yellow
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