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प्रश्न
Fill in the blank with the correct word of the statement given below:
Ammonium chloride, a sublimable solid undergoes _________ on heating.
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उत्तर
Ammonium chloride, a sublimable solid undergoes dissociation on heating.
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संबंधित प्रश्न
What do you observe when :
a spoon of sugar is heated in a pan
True or false?
In a chemical change, rearrangement of molecules and atoms involves some energy changes.
Distinguish between the following.
Periodic change and non-periodic change
Under which different types can the following changes be classified?
Bursting of a cracker.
Under which different types can the following changes be classified?
Revolution of the earth around the sun.
Picture based question
Observe the picture and list down the changes that are accompanied in the picture.
- ______.
- ______.
- ______.
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 |
Paper, LPG, CNG petrol, etc, are ______ substances.
______ is the process in which something becomes different from what it was earlier.
Cut vegetables turn brown when exposed to air, this is due to ______.
