Question

write any two characterstic
features of a chemical
reaction with example of
each ?​

Answer 1

Answer:

Characteristics of Chemical reaction

1)Evolution of gas. Some chemical reactions are characterised by the evolution of gas. ...

2)Formation of precipitate. Some chemical reactions are characterised by the formation of precipitate. ...

3)Change in colour. ...

4)Change in temperature. ...

5)Change of state.

Answer 2

Answer:

Evolution of gas

Formation of a precipitate

Change in color

Change in temperature

Change in state

Formation of new substances