1) Mineral acids change to organic acids on addition of water.
2) Acidity of a base is the total number of hydrogen atoms present in one molecule of the base.
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There are 3 types of acids on the basis of the number of hydrogen ions They are:⇒ 1)Monobasic acids-Eg HCl(Hydrochloric acid),HFl(Hydroflouric acid),HBr(Hydrobromic acid) & CH3COOH(Acetic acid) 2)Dibasic acids-Eg H2CO3(Carbonic acid),H2SO3(Sulphurous acid),H2SO4(Sulphuric acid) & H2C2O4(Oxalic acid) 3)Tribasic acids-Eg H3PO4(Phosphoric acid) & H3PO3(Phosphorous acid)
so , second is true
first one is false because a mineral acid is defined as a water-soluble acid derived from inorganic minerals by chemical reaction as opposed to organic acids (e.g. acetic acid, formic acid).