1.

Assertion : Clothes washed with soap using hard water do not absorb dyes evenly. Reason : Hard water contains calcium and magnesium ions.

Answer»

If both assertion and reason are trueand reason is the correct explanationof assertion .
If both assertion and reason are true but reason is not the correct explanationof assertion .
If assertion is true but reason is FALSE.
If both assertion and reason are false.

Solution :Calcium and magnesium ions FORM INSOLUBLE calcium and magnesium soaps whichadheres on to the fibre of the CLOTH as GUMMY mass and hence dye does not get absorbed evenly.


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