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प्रश्न
Write true or false
Melting of ice is a physical change.
विकल्प
True
False
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उत्तर
True
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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
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
Write true or false for the statement.
Deforestation is a man-made change
What is a physical change ? Give two examples of physical changes.
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.
Periodic and non-periodic change
State what is meant by the term – interconversion of matter. Is interconversion of matter a physical change or a chemical change.
Digestion of food is a physical change.
When solute is dissolved in a solvent it forms a solution.
Give two examples for the following case:
Physical changes which are not reversible
Give an example of a physical change in which the color of the substance changes.
