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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
Which of the following are chemical changes?
- Growth of a plant
- Rusting of iron
- Mixing of iron fillings and sand
- Cooking of food
- Digestion of food
- Freezing of water
- Burning of candle
Write short answer.
Give two examples of periodic changes
What role does energy play in initiating a chemical change ?
Classify the following as physical or chemical change :
Growth of a plant
Classify the Following as a Physical Or a Chemical Change.
Curdling of Milk
Fill in the blank.
A change, which alters the composition of a substances, is known as a___________ change.
Select the chemical changes from the following list of changes
Change of seasons
Name the following.
The product obtained during a physical change when water converts from a liquid into a solid.
Tearing of sheet of paper into pieces is ______ By the process of Heating of water, change.
State whether the following statement is true or false:
Anaerobic bacteria digest animal waste and produce biogas.
