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प्रश्न
Distinguish between the following.
Physical change and chemical change
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उत्तर
| Physical Change | Chemical Change | |
| 1. | The chemical composition of a substance does not change. | The chemical composition of a substance does not remain the same. |
| 2. | Easily reversible | Not easily reversible |
| 3. | No new substance is formed | New substances are always formed |
| 4. | Melting of ice is an example of physical change. | The burning of paper is an example of chemical change. |
संबंधित प्रश्न
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Cutting a log of wood into pieces is a chemical change.
Explain why burning of wood and cutting it into small piece are considered as two different types of changes.
State whether the following is physical or chemical changes.
mixing oil with water —
Write true or false
Earthquake is a desirable change.
State the Differences Between a Physical Change and a Chemical Change.
Given reason:
Burning of paper is a chemical change.
Physical Change: Boiling::Chemical Change: ______.
Ice, water and water vapour look different and display different ______ properties but they are ______ the same.
Which of the following is a physical change?
Mention a few physical properties of a substance.
