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An experiment takes 10 minutes to raise ...

An experiment takes 10 minutes to raise temperature of water from `0^(@)C` to `100^(@)C` and another 55 minutes to convert it totally into steam by a stabilized heater. The latent heat of vaporization comes out to be -

A

530 cal/gm

B

540 cal/gm

C

550 cal/gm

D

560 cal/gm

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