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प्रश्न
Fill in the blank
Changes that occur in nature are called ______
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उत्तर
Changes that occur in nature are called Natural changes.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Boiling of water to form steam.
Changes in which only ______ properties of a substance change are called physical changes.
State whether the following is physical or chemical changes.
cutting wood into small pieces —
State whether the following statement is true or false. If false write the correct statement.
Melting of butter and wax are examples of chemical changes.
Compare the energy changes involved during a physical and a chemical change.
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
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 |
______ is the substance that is dissolved in a solvent.
______ is the Universal Solvent.
Adding sugar to milk is a physical change.
