Question

Which of the following is an indicator of a chemical reaction?

A. two different compounds mixing and remaining seperate.

B. changing states of matter (solid to liquid).

C. decreasing in size.

D. increasing in tempurature​

Answer 1

answer is D

Step-by-step explanation:

some signs of a chemical change are a change in colour and the formation of bubbles.

the five conditions of chemical change: colour change, formation of precipitate, formation of a gas ,odor change, temperature change.

I think it will use for you

Answer 2

option . D

Increase in temperature

is an indicator of a chemical reaction

hope it helps