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Question
What will you take into account while identifying the following?
A physical change in a substance.
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Solution
Physical changes are those changes in which only the forms of substances get modified; the chemical natures and compositions of the substances involved are not altered.
Characteristics:
- No new substance is formed during a physical change.
- Most physical changes can be reversed easily.
- The chemical composition of a substance undergoing physical change remains the same.
RELATED QUESTIONS
Classify the following as chemical or physical change:
Melting of butter in a pan
Is burning a physical change or a chemical change? Why?
Fill in the blank.
Growing of a seedling into a plant is _______ change.
State whether the following is physical or chemical changes.
(energy produced) dissolving sugar in water —
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
State whether the following is physical or chemical changes.
Slaking of lime —
Classify the following as a physical or a chemical change.
Burning of paper
Distinguish between the following.
Physical change and chemical change
Keeping a stone in sunlight for few hours is ______.
Adding sugar to milk is a physical change.
