1.

The temperature and pressure at which ice, liquid water and water vapour can exist together are

Answer»

`0^(@)` C,ATM
`2^(@)C`, 4.7 atm
`0^(@) `C, 4.7 mm
`-2 ^(@)C` , 4.7 mm

Solution :All the THREE phases of water can COEXIST at `0^(@)C`& 4.7 mm pressure.


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