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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:
Give two examples of reversible changes.
When a candle is lit the following changes are observed.
- Wax melts.
- Candle keeps burning.
- The size of the candle decreases.
- The molten wax solidifies
- Which of the changes can be reversed? Justify your answer
Periodical removal of one of the products of a reversible reaction increases the yield.
Changes which cannot be reversed are called ______.
Analogy:
Irreversible change: Making idly front batter.
Reversible change: ______.
Rolling of chapati and baking of chapati are the changes that ______.
Look at the figure which shows three situations.
Which of these shows a reversible change and why?
Tearing of paper is said to be a change that cannot be reversed. What about paper recycling?
Give one example of change which occurs on heating but can be reversed.
Choose the odd one out. Give a reason for your choice.
