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प्रश्न
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Natural and man-made change.
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उत्तर
| Natural change | Man-made change |
| (i) Changes brought about by – nature. | (i) Changes brought about by – man. |
|
(ii) Examples:
|
(ii) Examples:
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संबंधित प्रश्न
State whether the following is physical or chemical changes.
water cycle in nature —
Give the main differences between physical changes and chemical changes.
Give three reasons why melting of wax, is considered a physical change while burning of a candle, a chemical change.
Fill in the blank with the correct word of the statement given below:
Sublimation of iodine is an example of _________ change.
Give a reason why rusting of iron is a chemical change but, the magnetization of iron is a physical change.
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
You are given some candle wax. Can you make a candle doll from it? What kind of change is this?
______ is the substance that is dissolved in a solvent.
Give two examples for the following case:
Physical changes which are reversible
Adding sugar to milk is a physical change.
