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प्रश्न
Give two examples for the following case:
Physical changes which are not reversible
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उत्तर
- Cutting of paper
- Breaking of glass
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संबंधित प्रश्न
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
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What is a physical change ? Give two examples of physical changes.
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Physical change and chemical change
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Is a change of state of matter – a physical or a chemical change. Give reasons.
When a woolen yarn is knitted to get a sweater, the change can be classified as ____________.
______ is the substance that is dissolved in a solvent.
Natural changes which take place in nature on their own, are beyond the control of human being.
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