Write down separately the formulas a) oxides b) bases c) acids d) salts HNO3, Fe (OH) 3, KNO3, So2, H2SO4, NO2, Mg (OH) 2, CaSO4, K3po4, Na2O, H3po4, KOH, CaO, FeCl2
a) Oxides – compounds of an element with oxygen: SO2 – sulfur oxide; NO2 – nitric oxide; Na2O – sodium oxide; CaO – calcium oxide.
b) Bases or hydroxides are metal compounds with a hydroxide residue: Fe (OH) 3 – iron hydroxide; Mg (OH) 2 – magnesium hydroxide; KOH – potassium hydroxide.
c) Acids are compounds of hydrogen cations with an acidic residue: HNO3 – nitric acid; H2SO4 – sulfate acid; H3PO4 – phosphoric acid.
d) Salts are metal compounds with an acidic residue: KNO3 – potassium nitrate; CaSO4 – calcium sulfate; K3PO4 – potassium orthophosphate; FeCl2 – ferric chloride.
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