1.

Assertion: A beaker is completely filled with water at 4^(@)C . It will overflow when heated or cooled. Reason: There is expansion of water below& above 4^(@)C.

Answer»

both the assertion and the reason are trueand the reason is the correct explanation of the assertion.
both THEASSERTION and the reason are true , but the reason is not the correct explanation of the assertion.
Assertion is true, but Reason is false.
both Assertion and Reason are false

Solution :Above or below `4^(@)C`, DENSITY of water decreases & VOLUME increases


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