A flask contains hydrogen and oxygen in the ratio of by mass at temperature . The ratio of average kinetic energy per molecule of hydrogen and oxygen respectively is:
2: 1
1: 1
1: 4
4: 1
Average kinetic energy per molecule
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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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