mention any two examples from our daily life for each of the following. a. desirable change . b. reversible change c. natural change d. exothermic change e. chemical change f. endothermic change
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- Desiarable Change: Example: rain bringing water to the crops, milk changing into curd, ripening of seedlings of fruits into a plant.
- reversible change:Melting: Melting is when solid converts into a liquid after heating. Example of melting is turning of ice into water.
- Freezing: Freezing is when a liquid converts into a solid. Example of freezing is turning of water into ice.
- Boiling: Boiling is when a liquid converts into a gas.
- natural change: Volcanoes – Another source of natural changes is volcanoes. There are many volcanoes that are active and many that are idle. It completely depends on nature and human beings have no influence over it. Hurricanes – An other example of natural changes is hurricanes.
- exothermic change: Making of an ice cube. Making ice cube is a process of liquid changing its state to solid. ...
- Snow formation in clouds. ...
- Burning of a candle. ...
- Rusting of iron. ...
- Burning of sugar. ...
- Formation of ion pairs. ...
- Reaction of Strong acid and Water. ...
- Water and calcium chloride.
- endothermic change: Melting ice cubes.
Melting solid salts.
Evaporating liquid water.
Converting frost to water vapor (melting, boiling, and evaporation, in general, are endothermic processes.
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