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Q 2.     What is the physical state of water at:

    a.     250ºC 
    b.     100ºC

Answers (1)

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The primary state of water is liquid at room temperature. It changes to the gaseous state above 100^0C. At 100^0C water (liquid) can be in equilibrium with the gaseous state. 

Hence, (i) At 250 ^0C physical state of water is gas. and,

             (ii) At 100 ^0C physical state of water can be gas as well as liquid.

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manish

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