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Question
Write one equation each for the decomposition reactions where energy is supplied in the form of (a) heat, (b) light, and (c) electricity .
Write one equation each for the decomposition reactions where energy is supplied in the form of (a) heat, (b) light, and (c) electricity .
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Solution
Chemical decomposition : A chemical reaction in which a single substance splits into two or more substances is called chemical decomposition.
For decomposition reaction where energy is supplied in the form of :
a) Heat : On heating calcium carbonate decomposes into calcium oxide and carbondioxide.
b) Light: Silver bromide decomposes to silver and bromine in sunlight.
c) Electricity : On passing the electricity, water dissociates to hydrogen and oxygen.
Chemical decomposition : A chemical reaction in which a single substance splits into two or more substances is called chemical decomposition.
For decomposition reaction where energy is supplied in the form of :
a) Heat : On heating calcium carbonate decomposes into calcium oxide and carbondioxide.
b) Light: Silver bromide decomposes to silver and bromine in sunlight.
c) Electricity : On passing the electricity, water dissociates to hydrogen and oxygen.
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