Question

All of the following are evidence of a chemical change except

Change of matter
Formation of gas
Color change
Precipitate forms

Answer 1

The right answer is A, "Change of matter."

Step-by-step explanation:

The formation of gas, color change, and precipitate forming are the 3 main chemical changes that are evidence of a new substance being produced. A change of matter is not. Changes of state are physical changes in matter. They are reversible changes that do not involve changes in matter's chemical makeup or chemical properties.

Answer 2

Change of matter
- Know simple science rules and that will help.