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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.
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
Fill in the blank.
A new substance is formed in a ............... change.
Write true or false for the statement.
Burning of paper and formation of curd are reversible changes
Classify the following changes as physical or chemical: curdling of milk
What role does energy play in initiating a chemical change ?
Tick (√) the correct alternative from the choice given for the following statement.
The compound rust is a hydrated oxide of
Which of the following are physical changes and which are chemical changes ?
Freezing of water
Classify the following as a physical or a chemical change.
Melting of wax
What will you take into account while identifying the following?
A chemical change in a substance.
Give a reason why
Change of seasons is a periodic change while the change of weather is a non-periodic change.
Iron pipes coated with zinc do not get rusted easily.
