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प्रश्न
Fill in the blank
Chemical change occurs as a result of __________ between two substances.
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उत्तर
Chemical change occurs as a result of rearrangement of atoms between two substances.
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संबंधित प्रश्न
Explain the following giving an example.
Pure substance
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Photosynthesis
Tick (√) the correct alternative from the choice given for the following statement.
An example of both physical and chemical change is
Write true or false
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Reason: The products formed of burning a piece of wood can be easily converted back to wood log.
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Mention some of the different conditions needed for chemical changes to occur.
