Question

3
What are the characteristics of chemical
reaction
а​

Answer 1

Answer:

The general characteristics of chemical reactions are:

• Evolution of a gas.
• Formation of a precipitate.
• Change in temperature.
• Change in state.

Answer 2

Answer:

The characteristics of a chemical reaction are :

• Evolution of gas.

• Formation of a precipitate.

• Change in color.

• Change in temperature.

• Change in state.

• Formation of new substances.