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प्रश्न
State whether the following is physical or chemical changes.
Boiling of an egg —
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उत्तर
chemical change.
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संबंधित प्रश्न
What do you observe when :
solid ammonium chloride is heated
Fill in the blank
Burning of fuel is a _______ change.
State whether the following is physical or chemical changes.
passing electric current through a heater rod —
Tick (√) the correct alternative from the choice given for the following statement
Burning is a
True or false?
During a physical change energy is either given out or absorbed by the system.
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Periodic change and non-periodic change
Distinguish between the following.
Natural change and man-made change
Picture based question
Observe the picture and list down the changes that are accompanied in the picture.

- ______.
- ______.
- ______.
Observe the picture containing a kettle and note that it has salt water in it and answer the following questions:

- What is name of the process that is done to the kettle?
- What will happen to the content of the kettle?
- What kind of change is occurring on the cold surface of the metal plate?
- What can you say about the quality of water that is obtained in the beaker?
Cut vegetables turn brown when exposed to air, this is due to ______.
