1/1,000,000 pH13
Oven cleaner
1/10,000,000
pH=14
Liquid drain cleaner
During science class Billy used litmus paper to determine the pH of an unknown liquid. The blue litmus paper turned
red but there was no change in the color of the red litmus paper.
The liquid Billy tested is probably
A)
a base.
B)
neutral.
an acid.
D)
of pH 7.