How can we make out whether a chemical reaction has taken place or not ?
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there are some point which denote that the chemical reaction has taken place
1. evolution of gas
3. change in colour
3. change in state
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1. evolution of gas
3. change in colour
3. change in state
thanks please mark me as brainlist
Answered by
1
Answer:
i) CHANGE IN COLOURS
ii) CHANGE IN ODOUR
iii) CHANGE IN TEMPERATURE
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