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प्रश्न
Select the chemical changes from the following list of changes
Drying of a fruit
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उत्तर
Drying of fruit is PHYSICAL change as composition remains the same and only state changes, no new substance with new properties is produced.
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संबंधित प्रश्न
Fill in the blank.
Changes that occur in nature are called ........................
Write true or false for the statement.
Burning of paper and formation of curd are reversible changes
Photosynthesis cannot take place at night.
True or false
Dissolving of a solid in liquid is a physical change.
What are man-made changes ?
Classify the following as a physical or a chemical change.
Melting of wax
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.
Match the examples of changes in List I with the correct.
| List I | List II |
| 1. Expansion of a steel rod on heating | A: Physical change |
| 2. Rotting of eggs | B: Chemical change |
| 3. Milk turning sour | |
| 4. Tarnishing of copper | |
| 5. Separation of naphthalene from a mixture of naphthalene and sodium chloride. |
The change of state of a substance from solid to liquid and liquid to gas is ______.
Cutting a log of wood into pieces is a chemical change.
