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प्रश्न
Which of the following are physical changes and which are chemical changes ?
Freezing of water
पर्याय
Physical change
Chemical change
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उत्तर
Freezing of water – Physical change
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संबंधित प्रश्न
A physical change is temporary. Explain.
State whether the following is physical or chemical changes.
shaping a piece of glass —
State whether the following is physical or chemical changes.
(energy produced) dissolving sugar in water —
Write true or false
Melting of ice is a physical change.
Write true or false
Dissolving of solute in a solvent and rusting of iron are both physical changes.
What is a chemical change ? Give two examples of chemical changes.
Name the following:
The type of change physical or chemical involved – ‘when a substance undergoes a change in state, colour or size’.
Select the chemical changes from the following list of changes
Respiration in mammals.
Select the chemical changes from the following list of changes
Drying of a fruit
Water is the universal solvent. Why?
