The pH of a acidic solution is < 7 The pH of a basic solution is > 7 Some Important Compounds and their uses Common Name Chemical name Chemical Uses formula Washing soda Sodium carbonate Manufacture of borax, caustic decahydrate O soda, softening of hard water Baking soda Sodium hydrogen NaHCO3 Used as antacid, ingredient of carbonate baking powder Bleaching Calcium oxychloride CaOCl2 Bleaching clothes, used as powder oxidizing agent, disinfecting water, manufacture of chloroform Plaster of Paris Calcium sulphate CaSO4 Plastering fractured making hemihydrate .1/2H2O toys ,decorative materials ,statues EQUATIONS OF ACIDS,BASES AND SALTS Acid + Metal Salt + Hydrogen gas H2SO4+Zn ZnSO4+H2 Base+ Metal Salt + Hydrogen gas 2NaOH + Zn Na2ZnO2 + H2 (Sodium zincate) Base + Acid Salt + Water NaOH(aq) + HCl(aq) NaCl(aq) + H2O(l) Acids give hydronium ions in water HCl+H2O H3O++ Cl- Bases generate OH- ions in water NaOH(aq) + H2O Na+(aq)+OH-(aq) Reactions Of Important chemical compounds Preparation of Bleaching powder By the action of chlorine on dry slaked lime Ca(OH)2+Cl2-----CaOCl2+H2O On heating, baking soda liberates CO2
The pH of a acidic solution is < 7 The pH of a basic solution is > 7 Some Important Compounds and their uses Common Name Chemical name Chemical formula Uses Washing soda Sodium carbonate decahydrate Manufacture of borax, caustic soda, softening of hard water Baking soda Sodium hydrogen carbonate NaHCO3 Used as antacid, ingredient of baking powder Bleaching powder Calcium oxychloride CaOCl2 Bleaching clothes, used as oxidizing agent, disinfecting water, manufacture of chloroform Plaster of Paris Calcium sulphate hemihydrate CaSO4 .1/2H2O Plastering fractured making toys ,decorative materials ,statues EQUATIONS OF ACIDS,BASES AND SALTS Acid + Metal Salt + Hydrogen gas H2SO4+Zn ZnSO4+H2 Base+ Metal Salt + Hydrogen gas 2NaOH + Zn Na2ZnO2 + H2 (Sodium zincate) Base + Acid Salt + Water NaOH(aq) + HCl(aq) NaCl(aq) + H2O(l) Acids give hydronium ions in water HCl+H2O H3O++ Cl- Bases generate OH- ions in water NaOH(aq) + H2O Na+(aq)+OH-(aq) Reactions Of Important chemical compounds Preparation of Bleaching powder By the action of chlorine on dry slaked lime Ca(OH)2+Cl2-----CaOCl2+H2O On heating, baking soda liberates CO2 O
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