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Water freezes and becomes ice at zero degrees Celsius. Also, water has the odd quality that it begins to expand below about 4 degrees Celsius. So the answer is that it would turn into ice and its volume would increase a little.

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15y ago
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11y ago

Under normal pressure, it will freeze.

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13y ago

it is frozen?

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10y ago

At 0 0C water become ice (solid).

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