I WILL GIVE U BRAINLIEST IF UR CORRECT Which of the following is always a result of a chemical reaction?
Hint: The questions says always.. only one best answer

A. Bubbles
B. Fire or smoke
C. Temperature change
D. A new substance

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car