The mass of water (in \( \mathrm{kg} \) ) whose temperature rises by \( 20^{\circ} \mathrm{C} \)...

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The mass of water (in \( \mathrm{kg} \) ) whose temperature rises by \( 20^{\circ} \mathrm{C} \) by heat produced on complete combustion of \( 10 \mathrm{~g} \) of \( \mathrm{LPG} \) is
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