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प्रश्न
Fill in the blank
Burning of fuel is a _______ change.
उत्तर
Burning of a fuel is a chemical change.
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संबंधित प्रश्न
What do you observe when :
solid ammonium chloride is heated
What do you observe when :
a spoon of sugar is heated in a pan
Tick (√) the correct alternative from the choice given for the following statement
When sugar is heated, its colour changes into
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?
Occurrence of an earthquake.
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 _________.
Paper, LPG, CNG petrol, etc, are ______ substances.
The difference between initial state and the final state is called change.
Cut vegetables turn brown when exposed to air, this is due to ______.
