Decomposition takes place by heat, sunlight and electricity .Give example of each.
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1) calcium carbonate decomposes in calcium oxide & carbon dioxide when heated. 2)When heated strongly potassium chlorate decomposes into potassium chlorite and oxygen. 2) hydrogen peroxide decomposes into water and oxygen. ex- due to electricity.
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electricity
Eg H20 =H2 + 02
sunlight
Agbr2 = Ag + br
Heat
Caco3 = Cao + Co2
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