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

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53. Assertion and reasoning: acid, bases and salts

1.

Assertion:	The acid reacts with the base and forms salt and water.
Reason:	Phenolphthalein is a weak acid and a colourless solution.

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

2.

Assertion:	The chemical formula for gypsum is $(CaSO_4)_2.H_2O$
Reason:	Calcium sulphate hemihydrate produces gypsum when mixed with water.

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

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