how to know a chemical reaction occurs
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we can know whether a chemical reaction occurred or not by following observations:
Bubbles appear, formation of precipitate ,change of colour ,change of temperature, emission of Light ,change in volume , change in electrical conductivity , melting point or boiling point changes.
Bubbles appear, formation of precipitate ,change of colour ,change of temperature, emission of Light ,change in volume , change in electrical conductivity , melting point or boiling point changes.
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