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प्रश्न
Salt can be separated from its solution (salt dissolved in water), because ______.
पर्याय
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.
Short Answer Type Question:
What is a physical change? Explain with example.
Match the following.
| Bud to flower | Dr. A.P.J. Abdul Kalam |
| Reversible change | Recyclable waste |
| India 2020 | Organic waste |
| Paper | Melting of ice |
| Vegetables | Irreversible change |
Differentiate reversible and irreversible changes.
Give examples to explain the difference between changes that can or cannot be reversed.
Changes which cannot be reversed are called ______.
Most of the physical changes are ______.
When ‘Touch me not’ plant is touched by us, ______ changes occur.
Rolling of chapati and baking of chapati are the changes that ______.
Find the odd one out. Give reason for your choice.
