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Preparation from Cold Water and Metals

Calcium on re...

Question

Calcium on reacting with water begins to float.

A

False

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B

True

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Solution

The correct option is B True

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Q. Assertion :Calcium floats over water during the reaction with water. Reason: Calcium reacts with water less vigorously so that the heat evolved is not sufficient for the hydrogen formed, to catch fire. The bubbles of hydrogen gas formed stick to the surface of the water calcium

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