Question

1.What is a chemical equation? Explain how it can be represented.
2. Explain the evolution of a gas in chemical reactions with the help of examples
reactions are characterized by a change in colour?

please anser according 7 standerd do not spam ! ​

Answer 1

I hope it will help u..........

Answer 2

Answer:

Army I thanked your a answers

Explanation:

But I didn't mean to thank me back

if you want to thank me dont thank me back

pls answer my previous question if you know ^_^

edit : not previous one I mean my present question ^_^