1.

100g of water is supercooled to -10^(@)C. At this point, due to some disturbance mecha-nised or otherwise some of it suddenly freezes to ice. What will be the temperature of the resultant mixture and how much mass would freeze? [S_(w)=1"cal"//g//""^(@)CandL_("Fusion")^(w)=80"cal"//g]

Answer»

`0^(@)C,12.5g`
`0^(@)C,2.5g`
`-10^(@)C,2.5g`
`-10^(@)C,12.5g`

ANSWER :A


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