Which is an acid?
CO is a gas at room temperature and has no odor.
HCl has a sour taste and gives off protons in water.
KOH has a bitter taste an

Question

Which is an acid?
CO is a gas at room temperature and has no odor.
HCl has a sour taste and gives off protons in water.
KOH has a bitter taste an

inowalst · Answer

This is best in Biology, not History.

anonymous · Answer

lol yea sorry barely notice that

alurahenderson · Answer

B.HCI

anonymous · Answer

thanks @alurahenderson

inowalst · Answer

@alurahenderson Stop giving out answers.

inowalst · Answer

And @Venadita its okay. You just actually get help there, instead of answers from people like her.

alurahenderson · Answer

B. HCl is Hydrochloric Acid if i recall. KOH is a base. And CO is a gas. 
Acid is a proton donor (hydrogen ion) in water

alurahenderson · Answer

@inowalst @Venadita this is the explanation

inowalst · Answer

Yes, now. After you gave the answer out.

anonymous · Answer

lol thanks

alurahenderson · Answer

haha i didnt know if you wanted one or not bc some ppl just want the answer

anonymous · Answer

no i wanted to know about it i am really bad at since and math but i am trying to understand it thanks  @alurahenderson