Assertion and reasoning: Chemical reactions and equations — task. Science CBSE, Class 10.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Answer the following questions using the data given below:

1.

Assertion:	Under Kerosene, sodium metal is stored.
Reason:	When exposed to air, metallic sodium melts.

The assertion is correct, but the reasoning is wrong
Assertion and reason are correct, reason doesn't explains the assertion
Both the assertion and the reason are correct; the reason explains the assertion.
Assertion is wrong, reason is correct

2.

Assertion:	In the following chemical equation, $CuO$ (s) + $Zn$ (s) $\xrightarrow[]{}$ $ZnO$ (s) + $Cu$ (s), zinc is getting oxidised, and copper oxide is getting reduced.
Reason:	The process in which oxygen is added to a substance is called oxidation whereas the process in which oxygen is removed from a substance is called reduction.

Assertion and reason are correct, reason doesn't explains the assertion
The assertion is correct, but the reasoning is wrong
Both the assertion and the reason are correct; the reason explains the assertion.
Assertion is wrong, reason is correct

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