Advertisements
Advertisements
Question
Under which different types can the following changes be classified?
Occurrence of an earthquake.
Advertisements
Solution
Natural change
RELATED QUESTIONS
State whether the following is physical or chemical changes.
Boiling of an egg —
True or false?
In a chemical change, rearrangement of molecules and atoms involves some energy changes.
Chemical changes are accompanied by changes in energy.
Distinguish between the following.
Natural change and man-made change
Under which different types can the following changes be classified?
Revolution of the earth around the sun.
Fill in the blanks with the appropriate words of the statement given below:
Chemical changes may involve exchange of energy in the form of __________ and _________.
How can a change occur in a substance?
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 |
______ 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 ______.
