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प्रश्न
Under which different types can the following changes be classified?
Occurrence of an earthquake.
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उत्तर
Natural change
संबंधित प्रश्न
State whether the following is physical or chemical changes.
Melting of wax —
True or false?
During a physical change energy is either given out or absorbed by the system.
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?
Conversion of milk into yoghurt.
Explain in brief the involvement of energy in physical and chemical changes.
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.
______ is the process in which something becomes different from what it was earlier.
What is the change?
