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प्रश्न
State whether the following is physical or chemical changes.
burning of sugar —
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उत्तर
chemical change,
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संबंधित प्रश्न
Tick the most appropriate answer.
3. Physical changes are
- permanent.
- periodic,
- temporary
- irreversible.
Write true or false for the statement.
Dissolving of solute in a solvent and rusting of iron are both physical changes.
What is a chemical change ? Give two examples of chemical changes.
Classify the Following as a Physical Or a Chemical Change.
Making of a Sugar Solution
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Natural and man-made change.
State why addition of sodium chloride to water is considered a physical change, while addition of dilute sulphuric acid to zinc is considered a chemical change.
Name the following:
The term involved in the change of state from – ‘water to ice’ – which is a physical change.
Stretching gold coin into a ring is a ______ change.
Ice, water and water vapour look different and display different ______ properties but they are ______ the same.
Give an example of a physical change in which the color of the substance changes.
