The density of ice is x g/cm3 and that of water is y g/cm3, when m gram of ice melts, then the change in volume is
volume of ice > volume of water
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50 mL of 0.2 M ammonia solution is treated with 25 mL of 0.2 M HCl. If pKb of ammonia solution is 4.75, the pH of the mixture will be : Option: 1 3.75 Option: 2 4.75
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