Question

How do you defect whether a chemical reaction take place or not

Answer 1

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:

Hiii friend here is your Answer ⬇️

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.

Hope this helps you ✌️✌️