select the correct answer. bicarbonate is a\na. gas\nb. liquid\nc. ion\nd. enzyme

select the correct answer. bicarbonate is a\na. gas\nb. liquid\nc. ion\nd. enzyme
Answer
Brief Explanations:
Bicarbonate, also known as hydrogen carbonate, is an anion (negatively - charged ion) with the chemical formula $HCO_3^-$. It is not a gas, liquid, or enzyme.
Answer:
C. Ion