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प्रश्न
Classify the changes involved in the following process as physical or chemical changes:
Photosynthesis
पर्याय
Physical change
Chemical change
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उत्तर
Chemical change
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Melting of butter in a pan
Explain why burning of wood and cutting it into small piece are considered as two different types of changes.
State three differences between evaporation and boiling
True or false
Dissolving of a solid in liquid is a physical change.
Write true or false
Dissolving of solute in a solvent and rusting of iron are both physical changes.
State the various conditions that favour the process of evaporation.
Classify the following as a physical or a chemical change.
Manufacture of salt from sea water
Give three reasons why melting of wax, is considered a physical change while burning of a candle, a chemical change.
Assertion: The explosion of fire cracker is a physical change.
Reason: A physical change is a reversible change.
Explain the characteristics of physical change with examples.
