Question

One can find the pH of a substance by using ___.

A. a conductivity tester
B. a thermometer
C. plain paper indicator
D. litmus paper indicator

Answer 1

Step-by-step explanation:

C. Plain paper indicator.

Litmus paper indcator can only tell you if the solution is acidic/neutral/alkaline, but not to what extent.

Answer 2

D, litmus paper indicator