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प्रश्न
Name the following:
The term involved in the change of state from – ‘water to ice’ – which is a physical change.
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उत्तर
Freezing Point.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Boiling of water to form steam.
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
Classify the following changes as physical or chemical.
Make a list of different types of changes with example.
Classify the following as a physical or a chemical change.
Boiling of water
State the observations seen, when milk in a dish is kept aside for a few hours or more. Is the change which occurs – a physical change or a chemical change. Give reasons.
Select the correct answer from the choice given below to complete the sentence
The matter is added or removed during a ____________ change.
Digestion of food is a physical change.
When a woolen yarn is knitted to get a sweater, the change can be classified as ____________.
Assertion: The explosion of fire cracker is a physical change.
Reason: A physical change is a reversible change.
