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प्रश्न
Magnet attracts iron needle.This is ______ change.
पर्याय
a reversible
an irreversible
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उत्तर
Magnet attracts iron needle. This is a reversible change.
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संबंधित प्रश्न
Changes which cannot be reversed are called ______.
Evaporation of water is a reversible change.
Pick the change that can be reversed from the following.
Salt can be separated from its solution (salt dissolved in water), because ______.
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 cooling but can be reversed.
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 reason for your choice.
Find the odd one out. Give reason for your choice.
