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
Answers: 2
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