2. Some Important compound of CALCIUM INORGANIC CHEMISTRY

3. CaCO 3 CaO + CO 2 (Quick lime) CaCl 2 + Na 2 CO 3 Ca(OH) 2 (slaked lime) Lime Water Milk of Lime In less water ppt In solution of water CaCl 2 + Ca(OCl) 2 + H 2 O (Bleaching powder) (Bleaching powder) Cl 2 Cl 2 (excess) CO 2 CO 2 Ca(HCO 3 ) 2 (soluble) SiO 2(acidic oxide) SiO 2(acidic oxide) P 4 O 10 (acidic oxide) CaSiO 3 Ca 3 (PO 4 ) 2 USES: 1.White wash due to disinfectant nature 2.Mortar (a building material) 3.Glass making, tanning industry, bleaching powder preparation, purification of sugar USES: 1.Manufacture of cement 2.Cheapest form of alkali 3.In manufacture Na2CO3 of from caustic soda (NaOH) 3.Purification of sugars, making dye stuffs USES: 1.As building material in the form of marble 2. Calcium and Magnesium carbonate as flux in the extraction of metal e.g. IRON 3.High quality paper manufacturing 4.As antacid, mild abrasive in toothpaste 4. Constituent in chewing gum, as filler in cosmetics. Lime water milk of lime + CO 2 + CO 2 (- H 2 O) (- H 2 O) Heat (1070-1270k)ROTARY KIL /dl. acid