1.

The figure on right shows a cooling curve for a substance which, .c) starting as a liquid, eventually solidifies. The specific heat capacity of the liquid is 20 xx 10^(3)Jkg K. The rate of temperature drop just before solidification at 60^@Cis 5 k/min. The latent fusion of the substance is

Answer»

`1.0 xx10^5 ` J/kg
`1.5 xx10^5 ` J/kg
`2 xx10^5 ` J/kg
`3.6 xx10^5 ` J/kg

ANSWER :C


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