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प्रश्न
Classify the Following as a Physical Or a Chemical Change.
Formation of Clouds
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उत्तर
Physical change
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संबंधित प्रश्न
Write short answer.
What are man-made changes ?
Name a chemical change which takes place in presence of:
State whether the following is physical or chemical changes.
(energy produced) dissolving sugar in water —
True or false
Change of seasons is a non-periodic change.
Classify the following as physical or chemical change :
Condensation of steam
Which of the following are physical changes and which are chemical changes ?
Classify the following as a physical or a chemical change.
Boiling of water
Name the following.
The salt obtained when a chemical change takes place on the addition of iron to dilute sulphuric acid.
Match the following
| Sr. No. | A | B | C |
| 1. | Melting | Change of state from liquid to solid | Ticking of clock |
| 2. | Condensation | Change of state from liquid to gas | Formation of ice cube |
| 3. | Evaporation | Change of state from solid to liquid | Collecting flowers |
| 4. | Freezing | Change of state from gas to liquid | Ice cube to water |
| 5. | Periodic change | Occurs at irregular time intervals | Water to steam |
| 6. | Non-periodic change | Occurs at regular time intervals | Steam to water drops |
State whether the following statement is true or false:
Stretching of rubber bands is not a physical change.
