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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 changes as physical or chemical:- photosynthesis in plants
A physical change is temporary. Explain.
Explain the term – ‘sublimation’. Is sublimation of naphthalene – a physical or a chemical change. Give reasons.
Match the examples of changes in List I with the correct.
| List I | List II |
| 1. Expansion of a steel rod on heating | A: Physical change |
| 2. Rotting of eggs | B: Chemical change |
| 3. Milk turning sour | |
| 4. Tarnishing of copper | |
| 5. Separation of naphthalene from a mixture of naphthalene and sodium chloride. |
Name the following:
The final product of the physical change involved during the ‘melting of a piece of wax’.
Give a reason why rusting of iron is a chemical change but, the magnetization of iron is a physical change.
Select the chemical changes from the following list of changes
Butter turning rancid
Sublimation of Iodine is a ______.
When solute is dissolved in a solvent it forms a solution.
What kind of change is shown by tearing of paper?
