how neha can determine that chemical reaction has happened? change in state, change in colour, liberation of gas, all of above.
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Answered by
3
Answer:
all the above
Explanation:
the chemical reaction can be determined considering all.
Answered by
4
Answer:
Following observations helps us to determine whether a chemical reaction has taken place
1. Change in state
2. Change in colour
3. Evolution of a gas
4. Change in temperature.
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