This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'Monoprotic acid are - \nSelect and explain. \nA. Formic acid, B. Acetic acid, C. Nitric acid, D. All of these', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Monapratic acids (HA) can donate 1 proton (H+) per molecule. Examples are hydrochloric acid (HCl),\xa0nitric acid (HNO3), formic acid, acetic acid,\xa0lactic acid and benzoic acid.\nPolyprotic acids can donate more than one protons (H+) per molecules. These can be divided into\xa0:-\n\n(i)\xa0Diprotic acid (H2A) :-\xa0These can donate upto 2 protons (RE) per molecule. Examples are\xa0carbonic acid,\xa0sulphuric acid, succinic acid and glutaric acid.\n(iii) Triprotic acid (H3A) :-\xa0These can donate upto 3 protons (H+) per molecule. Examples are phosphoric acid and\xa0citric acid.', 'role': 'assistant'}]