Oxalix acid, in the leaves
Oxalic Acid
Rhubarb leaves contain poisonous substances including oxalic acid
The acid found in onions is called sulfuric acid.
The acid found in bananas is generally malic acid.
The common name of the carboxylic acid found in rancid butter is butyric acid.
Formic acid
Acetic acid (IUPAC name: ethanoic acid), CH3COOH.
An acid found in grapes is called maleic acid
The acid found in grapefruits is called citric acid. It gives grapefruits their characteristic tangy taste.
Sulphuric acid Nitric acid Sulphurous acid Nitrous acid
Citric acid.
Aspirin is the trade name for acetylsalicylic acid.