Stoichiometry

401. With increase in the temperature of pure (distilled) water, its

1. pOH decreases and pH increases
2. pOH and pH both decreases
3. pH and pOH both increases
4. pH decreases and pOH increases

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402. With rise in pressure, the solubility of gases in solvent, at a fixed temperature

1. Increases
2. Decreases
3. Remains unchanged
4. Decreases linearly

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403. With rise in temperature, the heat capacity of a substance

1. Increases
2. Decreases
3. Remains unchanged
4. Either (A) or (B); depends on the substance

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404. With rise in temperature, the solubility of ammonia in water at a fixed pressure

1. Increases
2. Decreases
3. Remains unchanged
4. Increases exponentially

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