How Neha can determine that chemical reaction has happened
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Answered by
1
Explanation:
We can tell if a chemical reaction has taken place when one or more of the following things happen:
There has been a colour change inside the reaction flask.
A gas has formed. Usually we know a gas has formed when we can see bubbles. ...
A solid has formed.
Answered by
2
Answer:
i) CHANGE IN COLOURS
ii) CHANGE IN ODOUR
iii) CHANGE IN TEMPERATURE
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