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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
Classify the following as chemical or physical change:
Rusting of almirah
Try segregating the things around you as pure substances or mixtures.
Explain why burning of wood and cutting it into small piece are considered as two different types of changes.
What do you observe when :
lighted match stick is brought near the mouth of the test tube containing hydrogen gas.
Name a chemical change which takes place in presence of:
State whether the following is physical or chemical changes.
burning of sugar —
State whether the following statement is true or false. If false write the correct statement.
Melting of butter and wax are examples of chemical changes.
You are given some candle wax. Can you make a candle doll from it? What kind of change is this?
Physical Change: Boiling::Chemical Change: ______.
Distinguish physical and chemical changes.
