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प्रश्न
Select the chemical changes from the following list of changes
The occurrence of lightning.
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उत्तर
Occurance of lightening is a CHEMICAL change, energy is produced, a new substance with new properties is produced.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Rusting of almirah
Classify the changes involved in the following process as physical or chemical changes:
Photosynthesis
Photosynthesis cannot take place at night.
Is burning a physical change or a chemical change? Why?
State whether the following is physical or chemical changes.
growing of a piglet into a pig —
A physical change is temporary. Explain.
Give the main differences between physical changes and chemical changes.
Classify the following as a physical or a chemical change.
Burning of coal
Select the chemical changes from the following list of changes
Change of seasons
Give the reason why the following is considered as chemical changes.
An iron nail kept open in the atmosphere rusts.
