Assertion and reasoning: Ethanoic acid — 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 assertion reason questions:

1.

Assertion:	When combined with soap, hard water forms a thin layer (precipitates of metal ions) known as scum.
Reason:	The presence of calcium and magnesium ions (\(Ca^{2+} and Mg^{2+}\)) in hard water limits the cleaning action of soap.

Both assertion and reason are true, but reason is not the correct explanation of assertion
Assertion is wrong, reason is correct
Both the assertion and the reason are true; the reason explains the assertion.
The assertion is correct, but the reasoning is wrong

2.

Assertion:	Enzymes, which protects the washing machine from corrosion.
Reason:	To stop the detergent powder from caking, sodium sulphate is added.

Both the assertion and the reason are true; the reason explains the assertion.
Assertion is wrong, reason is correct
Both assertion and reason are true, but reason is not the correct explanation of assertion
The assertion is correct, but the reasoning is wrong

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