Question

how would you conclude that a reaction has taken place​

Answer 1

Answer:

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.

Answer 2

Answer:

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Explanation:

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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.

hope it helps you.✔✔✔

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