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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement
Burning is a
विकल्प
slow process
fast process
natural process
none of the above
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उत्तर
fast process
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संबंधित प्रश्न
What do you observe when :
solid ammonium chloride is heated
State whether the following is physical or chemical changes.
burning of wood -
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.
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 _________.
How can a change occur in a substance?
Paper, LPG, CNG petrol, etc, are ______ substances.
The difference between initial state and the final state is called change.
