1.

Assertion: Magnesium continue to burn in nitric oxide. Reason : During burning heat evolved to not decompose NO

Answer»

If both ASSERTION and reason are true and the reason is the correct explanation of the assertion
If both assertion and reason are true but reason is NTO the correct exaplation of the assertion
If assertion is true but reason is false
If the assertion and reason both are false

Solution :When Mg is burnt in nitric oxide it continue to BURN because during burning the heat EVOLVED decompose NO to `N_(2)` and `O_(2)`. Oxygen thus, produced HELPS Mg to burn. Here assertion is true but reason is false.


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