In the experiment"to understand change in mass before and after a chemical reaction", How can you say that a chemical reaction has taken place in this experiment, give reasons
Answers
Answered by
2
There are various reasons which indicate that a chemical reaction has occured ⤵️
1. Change in colour
2. Change in State of matter
3. Change in temperature
4. Evolution of gas
5. Evolution of smell
6. Release of heat, sound or light
Hope this helps
1. Change in colour
2. Change in State of matter
3. Change in temperature
4. Evolution of gas
5. Evolution of smell
6. Release of heat, sound or light
Hope this helps
Answered by
3
if there will be evolution of a gas which is inflammable , there has taken a chemical reaction
Similar questions