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प्रश्न
Fill in the blanks with the appropriate words of the statement given below:
Chemical changes may involve exchange of energy in the form of __________ and _________.
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उत्तर
Chemical changes may involve exchange of energy in the form of light and heat.
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संबंधित प्रश्न
Fill in the blank
Burning of fuel is a _______ change.
State whether the following is physical or chemical changes.
Boiling of an egg —
Fill in the blank
An earthquake is a _______ change.
Chemical changes are accompanied by changes in energy.
Distinguish between the following.
Periodic change and non-periodic change
Under which different types can the following changes be classified?
Bursting of a cracker.
Under which different types can the following changes be classified?
Stretching of a spring.
Give reason.
While purchasing canned food, its expiry date should be checked.
The difference between initial state and the final state is called change.
Cut vegetables turn brown when exposed to air, this is due to ______.
