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प्रश्न
Classify the following as a physical or a chemical change.
Manufacture of salt from sea water
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उत्तर
Physical change
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संबंधित प्रश्न
Tick the most appropriate answer.
3. Physical changes are
- permanent.
- periodic,
- temporary
- irreversible.
Fill in the blank.
A new substance is formed in a ............... change.
Write true or false for the statement
A natural change can also be a desirable change
Write true or false for the statement.
Dissolving of solute in a solvent and rusting of iron are both physical changes.
State whether the following is physical or chemical changes.
water cycle in nature —
Give two examples of periodic changes.
Distinguish between the following.
Physical change and chemical change
What will you take into account while identifying the following?
A physical change in a substance.
Name the following.
The salt obtained when a chemical change takes place on the addition of iron to dilute sulphuric acid.
A physical change is generally____________.
