Chemistry
Chemistry, 15.06.2021 09:20, live4dramaoy0yf9

Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piece of blue litmus paper into the substance, and the litmus paper turns blue. The substance in the beaker:
is a base

is an acid

has a neutral pH

does not have a pH

answer
Answers: 2

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