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प्रश्न
Salt can be separated from its solution (salt dissolved in water), because ______.
विकल्प
mixing of salt in water is a change that can be reversed by heating and melting of salt.
mixing of salt in water is a change that cannot be reversed.
mixing of salt in water is a permanent change.
mixing of salt in water is a change that can be reversed by evaporation.
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उत्तर
Salt can be separated from its solution (salt dissolved in water), because mixing of salt in water is a change that can be reversed by evaporation.
Explanation:
Salt can be separated from water solution by evaporating the water. Hence, mixing of salt in water is a reversible change.
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संबंधित प्रश्न
Very Short Answer Type Question:
Give two examples of reversible changes.
Give examples to explain the difference between changes that can or cannot be reversed.
Change is the ______ of a substance from one form to another.
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- Size of the candle was reducing
- Melted wax was getting solidified.
Of the above, the changes that can be reversed are
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