Question

what are the observation seen during chemical reaction?​

Answer 1

Some signs of a chemical change are a change in color and the formation of bubbles. The five conditions of chemical change: color change, formation of a precipitate, formation of a gas, odor change, temperature change.

Answer 2

Question:-

What are the observation seen during chemical reaction?

Answer:-

Observation seen during chemical reaction:-

• change in odor
• change in colour
• formation of precipitate
• change in temperature
• formation of gas