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Chemistry
Kamora Morrison
17 September, 15:33
Chemical reactions can be detected by change in:
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Yair Wilkinson
17 September, 18:50
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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.
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Ricardo
17 September, 19:30
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A colour change
A gas has formed.
A solid has formed.
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