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प्रश्न
Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. Should you add ice to the lemonade before or after dissolving sugar? In which case would it be possible to dissolve more sugar?
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उत्तर
The solubility of a substance decreases with decreases in temperature. After the addition of ice, the temperature of the lemonade decreases, and dissolving sugar in cold water is difficult. Therefore, ice should be added to lemonade after dissolving the sugar.
संबंधित प्रश्न
Write true or false
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| List I | List II |
| 1. Sand from a mixture of sand and water | A: Separating funnel |
| 2. kerosene from a mixture of kerosene water | B: Sublimation |
| 3. Alcohol from a mixture of methyl alcohol and water | C: Filtration |
| 4. Naphthalene from a mixture of naphthalene and lead chloride | D: Distillation |
| 5. Pure water from impure water | E: Fractional distillation |
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