Equal volumes of water and aliquid when put in similar calorimeters take 100 sec and 80 sec respectively to cool from 50 Cto 40

Question

Equal volumes of water and aliquid when put in similar calorimeters take 100 sec and 80 sec respectively to cool from 50 Cto 40 C The thermal capacity of each calorimeter is numerically equal to the volume of either liquid The specific gravity of alcohol is 0 9 if the specific heat capacity of water is 1 cal gm C the specific heat capacity of liquid will be 1 0 6 cal gm C 2 0 8 cal gm C 3 0 667cal g C 4 1 8 cal gm C

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