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प्रश्न
Some changes are listed in the following table. For each change, write in the blank column, whether the change can be reversed or not.
| S. No. | Change | Can be reversed (Yes/No) |
| 1. | The sawing of a piece of wood | |
| 2. | The melting of ice candy | |
| 3. | Dissolving sugar in water | |
| 4. | The cooking of food | |
| 5. | The ripening of a mango | |
| 6. | Souring of milk |
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उत्तर
| S. No. | Change | Can be reversed (Yes/No) |
| 1. | The sawing of a piece of wood | No |
| 2. | The melting of ice candy | Yes |
| 3. | Dissolving sugar in water | Yes |
| 4. | The cooking of food | No |
| 5. | The ripening of a mango | No |
| 6. | Souring of milk | No |
संबंधित प्रश्न
What do you observe when :
a spoon of sugar is heated in a pan
Fill in the blank
Burning of fuel is a _______ change.
State whether the following is physical or chemical changes.
passing electric current through a heater rod —
Tick (√) the correct alternative from the choice given for the following statement
Burning is a
Fill in the blank
An earthquake is a _______ change.
Distinguish between the following.
Periodic change and non-periodic change
Under which different types can the following changes be classified?
Conversion of milk into yoghurt.
Under which different types can the following changes be classified?
Bursting of a cracker.
Under which different types can the following changes be classified?
Occurrence of an earthquake.
Paper, LPG, CNG petrol, etc, are ______ substances.
