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How alcohol causes cooling?? | Evaporati...

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An oganic compound is boiled with alcoholic potash. The product is cooled and acidified with HCI . A white solid seprates out. The starting compound may be

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1000gm of sucrose solution in water is cooled to -0.5^(@)C . How much of ice would be separated out at this temperature, if the solution started to freeze at -0.38^(@)C . Express your answer in gram. (K_(f)H_(2)O=1.86K "mol"^(-1)kg)

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