Which of the following is not an indication of a chemical reaction?

1.) Heat is generated when two substances are combined.

2.) A solid quickly forms when two liquids are combined.

3.) A substance melts when sitting in the Sun.

4.) A substance sours when sitting in the Sun.

Question

Kaiya Paul

7 October, 22:29

+3

Answers (1)

Know the Answer?

Brenden Patel · Answer 1

I believe the best answer is

4. A substance sours when sitting in the sun.

Which of the following is not an indication of a chemical reaction?1.) Heat is generated when two substances are combined.2.) A solid quickly forms when two liquids are combined.3.) A substance melts when sitting in the Sun.4.) A substance sours when sitting in the Sun.