* Hydrochloric acid (HCl)
* Sulfuric acid (H2SO4)
* Nitric acid (HNO3)
* Acetic acid (CH3COOH)
* Citric acid (C6H8O7)
* Carbonic acid (H2CO3)
* Boric acid (H3BO3)
* Hydrofluoric acid (HF)