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Give one example of a decomposition reaction which is carried out:(a) with electricity(b) by applying heat
(a) When electricity is passed through acidified water it decomposes to hydrogen gas and oxygen gas.
$2H_{2} O\ \rightarrow \ 2H_{2} \uparrow \ +\ O_{2} \uparrow $
(b) By applying heat, thermal decomposition takes place. The heating of baking soda is an example of thermal decomposition.
$2NaHCO_{3}( s) \ \rightarrow \ CO_{2}( g) \ +\ H_{2} O( g) \ +\ Na_{2} CO_{3}( s)$
Updated on: 10-Oct-2022
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