during science class billy used litmus paper to determine the ph of an unknown liquid. the blue litmus paper…

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. c an acid. d of ph 7.

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. c an acid. d of ph 7.

Answer

Answer:

C. an acid.

Explanation:

Step1: Recall litmus - paper properties

Acids turn blue litmus paper red.

Step2: Analyze red litmus paper result

Bases turn red litmus paper blue. Since red litmus paper didn't change color, it's not a base.

Step3: Determine the nature of the liquid

A neutral substance doesn't change the color of either blue or red litmus paper. Since blue litmus turned red, the liquid is an acid.