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Filtration

Assertion: Ch...

Question

Assertion: Chalk powder can be separated from water by filtration.

Reason: Chalk powder is insoluble in water.

Which amongst the following is correct regarding these statements?

A

Assertion is true and reason is its correct explanation.

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B

Assertion is false but reason is true.

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C

Both assertion and reason are false.

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D

Both assertion and reason are true, but reason is not its correct explanation.

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Solution

The correct option is A Assertion is true and reason is its correct explanation.
$∙$ Filtration is used for separating insoluble solids from a liquid. To carry out filtration, a filter paper is used. This paper allows the liquid to pass through while holding back the insoluble solid.
$∙$ Chalk powder is insoluble in water, so it will not pass through the filter paper. Whereas, water will pass through and hence, filtration can be used for this separation.

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