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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 |
Answer:
|
SNo. |
Change |
Can be Reversed (Yes/No) |
Explanation |
|
1 |
The sawing of a piece of wood |
No |
Wood once sawed cannot be reversed to its original shape and size |
|
2 |
The melting of ice candy |
Yes |
If Ice melts it can be reversed again by cooling it |
|
3 |
Dissolving of sugar in water |
Yes |
Dissolving of sugar in water can be reversed by heating it,water will evaporate as water vapor which turns to water again and sugar remains in the pan |
|
4 |
The cooking of food |
No |
Food once cooked cannot be reversed again into raw food |
|
5 |
The ripening of a mango |
No |
Mango once ripened will not turn again into a raw mango |
|
6 |
Souring of milk |
No |
Milk once soured is irreversible as milk once soured cannot be reversed again |
