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प्रश्न
Pick the change that can be reversed from the following.
विकल्प
Cutting of trees
Melting of ghee
Burning of candle
Blooming of flower
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उत्तर
Melting of ghee
Explanation:
The melted ghee can be frozen again hence this change can be reversed. Cutting of trees, burning of candle and blooming of flower cannot be reversed.
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संबंधित प्रश्न
Short Answer Type Question:
What is a physical change? Explain with example.
Short Answer Type Question:
What is a chemical change? Explain with example.
Analogy
Curdling of milk : irreversible change :: Formation of clouds : ________change
Dissolving sugar in water is a ______ change.
Analogy:
Irreversible change: Making idly front batter.
Reversible change: ______.
Touch me not plant: ______:: digestion of food: Irreversible change.
Paheli had bought a new bottle of pickle from the market. She tried to open the metal cap to taste it but could not do so. She then took a bowl of hot water and immersed the upper end of the bottle in it for five minutes. She could easily open the bottle now. Can you give the reason for this?
Can we reverse the following change? If yes, suggest the name of the method.
Ice into water
Conversion of ice into water and water into ice is an example of change which can be reversed. Give four more examples where you can say that the changes can be reversed.
Choose the odd one out. Give reason for your choice.
