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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
A substance which can not sublime is
पर्याय
iodine
camphor
sugar
dry ice
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उत्तर
sugar
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संबंधित प्रश्न
Dissolving salt in water is a reversible change.
State whether the following is physical or chemical changes.
mixing oil with water —
Select the chemical changes from the following list of changes
Boiling of milk.
Select the chemical changes from the following list of changes
The occurrence of lightning.
Select the chemical changes from the following list of changes
Breaking of glass
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 |
Tearing of sheet of paper into pieces is ______ By the process of Heating of water, change.
Give two examples for the following case:
Physical changes which are reversible
Iron pipes coated with zinc do not get rusted easily.
Adding sugar to milk is a physical change.
