Important Salts
Chemistry · महत्वपूर्ण लवण · 15 facts
Salt: acid+base neutralization product; ionic compound
NaCl from sea water evaporation; Sambhar Lake largest inland
NaCl raw material for NaOH, Cl2, Na2CO3, HCl
Chlor-alkali: NaCl electrolysis -> NaOH+Cl2+H2
Baking soda NaHCO3: CO2 on heating makes bread fluffy
Washing soda Na2CO3.10H2O: removes grease, softens water
Plaster of Paris: gypsum heated 373K; sets hard with water
Bleaching powder CaOCl2: Cl2+Ca(OH)2; water treatment
Alum(Fitkari): purifies water by coagulation; antiseptic
CuSO4 blue vitriol: electroplating, fungicide
Salt pH: strong+strong=7; strong acid+weak base<7
NaNO3: Chile saltpetre fertilizer; KNO3: gunpowder
Crystals contain water of crystallization; heating removes it
Epsom salt MgSO4.7H2O: medicine, bath salts
Sodium bicarbonate in fire extinguisher: NaHCO3+acid->CO2