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The specific heat of water S.I. unit is....

The specific heat of water S.I. unit is.

A

`4.2 J kg^-1 K^-1`

B

`8.31 J kg^-1 K^-1`

C

`3.6 J kg^-1 K^-1`

D

`4200 J kg^-1 K^-1`

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