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What is an acid? Select all that apply.

a substance that releases hydrogen ions in water
a substance that releases hydroxide ions in water
a substance that tastes sour
a substance that tastes bitter
a substance with a pH below 7

2 Answers

2 votes
a subtance with a pH below 7 and
a substance that tastes sour
User Savinson
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1 vote
A substance that releases hydrogen ions in water
A substance that tastes sour
A substance with a pH below 7
User FeatureCreep
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7.2k points