How do we come to know that a chemical reaction has taken place?
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24
heat will be produced that is one factor and light may be produced and change in color may take place
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The following will denote you whether a chemical reaction has taken place.
1. Release of gas
2. formation of precipitate
3. Change in temperature
4. Change in color or odour.
1. Release of gas
2. formation of precipitate
3. Change in temperature
4. Change in color or odour.
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