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प्रश्न
Write true or false
Deforestation is a man-made change.
पर्याय
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
Write short answer.
Give two examples of periodic changes
State whether the following is physical or chemical changes.
Slaking of lime —
Tick (√) the correct alternative from the choice given for the following statement
A pop sound is heard when a lighted match stick is brought near the mouth of a jar. This indicates the release of gas.
Write true or false
Burning of paper and formation of curd are reversible changes.
Write true or false
Dissolving of solute in a solvent and rusting of iron are both physical changes.
State one instance where water undergoes a physical change and one in which it undergoes a chemical change.
Which of the following are physical changes and which are chemical changes ?
Rusting of iron
Classify the following as a physical or a chemical change.
Manufacture of salt from sea water
Which of the following is not a physical change?
