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प्रश्न
Fill in the blank
Burning of fuel is a _______ change.
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उत्तर
Burning of a fuel is a chemical change.
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संबंधित प्रश्न
State whether the following is physical or chemical changes.
Melting of wax —
Fill in the blank
An earthquake is a _______ change.
Distinguish between the following.
Natural change and man-made change
Under which different types can the following changes be classified?
Revolution of the earth around the sun.
Under which different types can the following changes be classified?
Stretching of a spring.
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 _________.
Fill in the blank with the correct word of the statement given below:
Ammonium chloride, a sublimable solid undergoes _________ on heating.
The difference between initial state and the final state is called change.
What is the change?
Cut vegetables turn brown when exposed to air, this is due to ______.
