Question

Write 5 observation which help us to determine whether a chemical equation has taken place or not

Answer 1

Answer:

Explanation:

Explanation:the 5 observations are 1) change in colour 2)change in state 3)chane in structure 4)evolution of gas n the last one is 5) formation of precipitate.

Answer 2

Answer:

1.)change in state

2.)formation of precipitate

3.)evolution of gas

4.)change in color

5.)change in temperature

Explanation:

hope it helps