Question

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

Answer 1

Answer:

D: a new substance

Explanation:

Chemical reaction

A change in matter that produces on or more new substances

Answer 2

Answer:

D. A new substance is always a result of a chemical reaction.

Explanation:

In a chemical reaction, one or more reactants reacts/decomposes to form one or more products.