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प्रश्न
Differentiate between a physical change and a chemical change with reference to – Nature of change is temporary and reversible or permanent and irreversible.
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उत्तर
| Physical change | Chemical change |
| Changes are temporary and reversible. | Change is permanent and irreversible |
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Passing of electric current through water, and water breaking down into hydrogen and oxygen gases.
Write true or false for the statement
A natural change can also be a desirable change
Ripening of fruits is a desirable change.
State the various conditions that favour the process of evaporation.
Write true or false
Rusting of iron is a chemical change.
Photosynthesis cannot take place at night.
State whether the following statement is true or false. If false write the correct statement.
Melting of ice is an exothermic, irreversible chemical change.
When a woolen yarn is knitted to get a sweater, the change can be classified as ____________.
What is the difference between dissolution of sugar and burning of sugar ?
Mention a few physical properties of a substance.
