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प्रश्न
Classify the following as chemical or physical change:
Cutting of trees
विकल्प
Chemical change
Physical change
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उत्तर
Physical change
Explanation:
Cutting down trees changes their physical shape and size, but does not change their chemical composition or nature. Hence it is classified as a physical change.
संबंधित प्रश्न
Dissolving salt in water is a reversible change.
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Slaking of lime —
Tick (√) the correct alternative from the choice given for the following statement.
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Classify the Following as a Physical Or a Chemical Change.
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Classify the Following as a Physical Or a Chemical Change.
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Give the reason why the following is considered as chemical changes.
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Name the following.
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______ is the substance that is dissolved in a solvent.
Fill in the blanks in the following statements using the words given in the box.
| rusted, colourful, substance, chemical, physical, reversible, iron oxide, object |
- Making sugar solution is a ______ change.
- A physical change is generally ______.
- Grinding of wheat grain changes its size. It is a ______ change.
- Iron benches kept in lawns and gardens get ______. It is a ______ change because a new ______ is formed.
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Do you think rust is different from iron?
