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Question
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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Solution
Yes. The length of the dress can again be increased by unfolding it. Hence, this change can be reversed.
RELATED QUESTIONS
Long Answer Type Question:
Explain how a metal rim slightly smaller than a wooden wheel can be fixed on it.
Circle the odd one.
Circle the odd one.
Pick the change that can be reversed from the following.
Can we reverse the following change? If yes, suggest the name of the method.
Water vapour into water
Give one example of change which occurs on cooling but can be reversed.
Change of a bud into a flower is a change which cannot be reversed. Give four more such example.
Paheli mixed flour and water and
- made a dough,
- rolled the dough to make a chapati,
- baked the chapati on a pan,
- dried the chapati and ground it in a grinder to make powder.
Identify the changes (i) to (iv) as the changes that can be reversed or that cannot be reversed.
Circle the odd one out. Give a reason for your choice.
Choose the odd one out. Give reason for your choice.
