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2015-06-24T16:19:56+05:30

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HEAT -- CaCO3 (Limestone/ Calcium Carbonate)(s)------>(Thermal decomposition that is, decompsition by heat)CaO(Quick Lime)(s) + CO2 (carbon dioxide)(g)

LIGHT 
2AgCl(s)(Silver Chloride)----->(Sunlight)2Ag(s)(silver)+ Cl2 (g) (chlorine gas) 
2AgCl--->2Ag+Cl2

ELECTRICITY 
2H2O(Water)--->(Electric Current)2H2(Hydrogen gas) (g) + O2(Oxygen) (g) 
2H2O----> 2H2 + O2

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  • Brainly User
2015-06-24T16:22:44+05:30
  CaCO3 (s) -----Heat----> CaO (s) + CO2
 2Al2O3 (l) ----Electricity----> 4Al (l) + 3O2 (g)
2AgCl (s) ----Light----> 2Ag (s) + Cl2 (g)
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