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प्रश्न
State whether the following is physical or chemical changes.
burning of wood -
उत्तर
chemical change,
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संबंधित प्रश्न
Melting of solid (wax) is a physical change.
Distinguish between the following.
Periodic change and non-periodic change
Distinguish between the following.
Natural change and man-made change
Under which different types can the following changes be classified?
Occurrence of an earthquake.
Under which different types can the following changes be classified?
Stretching of a spring.
Explain in brief the involvement of energy in physical and chemical changes.
Paper, LPG, CNG petrol, etc, are ______ substances.
The difference between initial state and the final state is called change.
______ is the process in which something becomes different from what it was earlier.
What is the change?
