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While deciding the unit for heat , w...

While deciding the unit for heat , which temperature interval is chosen ? Why ?

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The temperature range of `14.5^(@)C` to `15.5^(@)C ` is chosen while deciding the unit for heat . If we heat 1 kg of water by `1^(@)C` in different temperature range other than `14.5^(@)C` to `15.5^(@)C` the amount heat required will be slightly different .
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    A
    Joule
    B
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    C
    mole
    D
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  • SI unit of temperature is ____

    A
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