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प्रश्न
Classify the following as chemical or physical change:
Boiling of water to form steam.
पर्याय
Chemical change
Physical change
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उत्तर
Physical change
Explanation:
Boiling water to produce steam is a physical change since it merely changes its condition from liquid water to steam (gaseous) without changing its chemical composition.
संबंधित प्रश्न
Tick the most appropriate answer.
4. Chemical changes involve
- change in shape.
- change in size.
- change in molecular composition.
- none of these
Write short answer.
Give two examples of periodic changes
A physical change is temporary. Explain.
Make a list of different types of changes with example.
Write true or false
Burning of paper and formation of curd are reversible changes.
Classify the following as a physical or a chemical change.
Boiling of water
Classify the Following as a Physical Or a Chemical change.
Glowing of an Electric Bulb
Give a reason why
Freezing of water is a reversible change while burning of a candle – an irreversible change.
Classify the following as physical or chemical properties
Metallic sodium is soft enough to be cut with a knife.
Iron pipes coated with zinc do not get rusted easily.
