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What is the physical state of water at (...

What is the physical state of water at `(a) 25^(@)C, (b) 0^(@)C, (c) 100^(@)C`.

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(a) `25^(@)C` the physical state of water is liquid
(b) `0^(@)C`, the physical state of water is either a solid or a liquid.
(c) `100^(@)C`, the physical state of water can be either a liquid or a gas.
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