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What is an acid?
A. a substance that can donate an H+ ion

B. a substance that has a high pH value

C. a substance that can accept an H+ ion

D. a substance that is alkaline

Respuesta :

The answer is A because it is not like an alkaline which takes up hydrogen ions. Also having a low ph value is what causes something to become acidic so it is not B. Your answer is A

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