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प्रश्न
Pick the change that can be reversed from the following.
पर्याय
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
Very Short Answer Type Question:
Can you say deforestation is an irreversible or reversible change?
What is reversible change?
Analogy
Curdling of milk : irreversible change :: Formation of clouds : ________change
Change is the ______ of a substance from one form to another.
Dissolving sugar in water is a ______ change.
What are irreversible changes?
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?
Which of the following changes cannot be reversed?
- Blowing of a balloon
- Folding paper to make a toy aeroplane
- Rolling a ball of dough to make roti
- Baking cake in an oven
- Drying a wet cloth
- Making biogas from cow dung
- Burning of a candle
A potter working on his wheel shaped a lump of clay into a pot. He then baked the pot in an oven. Do these two acts lead to the same kind of changes or different? Give your opinion and justify your answer.
Choose the odd one out. Give reason for your choice.
