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प्रश्न
To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?
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उत्तर
Yes. The length of the dress can again be increased by unfolding it. Hence, this change can be reversed.
संबंधित प्रश्न
Short Answer Type Question:
What happens when sugar is heated?
Periodical removal of one of the products of a reversible reaction increases the yield.
Water on ______ changes to ice and on ______ comes back to water.
Pick the change that can be reversed from the following.
Can we reverse the following change? If yes, suggest the name of the method.
Ice into water
Boojho’s sister broke a white dove, a symbol of peace, made of Plaster of Paris (POP). Boojho tried to reconstruct the toy by making a powder of the broken pieces and then making a paste by mixing water. Will he be successful in his effort? Justify your answer.
Tearing of paper is said to be a change that cannot be reversed. What about paper recycling?
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 a reason for your choice.
Choose the odd one out. Give reason for your choice.
