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प्रश्न
Tearing of paper is said to be a change that cannot be reversed. What about paper recycling?
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उत्तर
Recycling of paper cannot be classified as a reversible change because the quality, colour and texture of the paper changes on recycling and we get a different type of paper not the original one.
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संबंधित प्रश्न
Short Answer Type Question:
What happens when sugar is heated?
Long Answer Type Question:
How does curd being set? Is this change reversible?
Change is the ______ of a substance from one form to another.
Dissolving sugar in water is a ______ change.
Differences between
reversible and irreversible changes are:
When ‘Touch me not’ plant is touched by us, ______ changes occur.
Analogy:
Irreversible change: Making idly front batter.
Reversible change: ______.
Pick the change that can be reversed from the following.
Give one example of change occurs on mixing two substances, but can be reversed.
Choose the odd one out. Give reason for your choice.
