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प्रश्न
What type of energy changes is associated when ice melts?
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उत्तर
- Physical change
- Endothermic (heat energy is absorbed)
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Melting of butter in a pan
Classify the following as chemical or physical change:
Burning of paper and wood
Fill in the blank.
Heat is .................... by a gas during the process of condensation.
State four differences between physical and chemical changes.
Classify the following as a physical or a chemical change.
Burning of coal
Given reason:
Freezing of water to ice and evaporation of water are physical changes.
Select the correct answer from the choice given below to complete the sentence
The dissolution of lead nitrate in water is deemed as a _________ change.
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
When a woolen yarn is knitted to get a sweater, the change can be classified as ____________.
Paheli’s mother made a concentrated sugar syrup by dissolving sugar in hot water. On cooling, crystals of sugar got separated. This indicates a –
