Question

A solution of baking soda has a pH of 9. Baking soda _______. A. is a base B. is an acid C. is a neutral substance D. could be either an acid or a base

Answer 1

The pH scale goes from 0 to 14. The middle of the scale (7) is neutral. Anything smaller is acidic, and anything larger is basic.

9 is larger than 7, so the solution is basic.

The answer is A.

Answer 2

Answer:

is a base

Explanation:

A neutral substance has a pH of 7. An acid has a pH less than 7. A base has a pH greater than 7.

The solution of baking soda has a pH of 9. Baking soda is a base.