10. Write one equation each for decomposition reactions where energy is supplied in the form of
(a) heat, (b) light and (c) electricity.
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1.Thermal decomposition reaction:CaCO3---------CaO+CO2 in the presence of heat
2.Photo chemical decomposition reaction:2Ag--------2Ag+cl2in the presence of light
3.Electrical decomposition reaction:2H2+O2-------2H2O in the presence of electricity
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Answer:
(a) Equation for decomposition reaction where energy is supllied in the form of heat
CaCO3 ___heat____- Cao + CO2 -( this type of reaction is also called Endothermic reaction)
(b) Equation for decomposition reaction where energy is supllied in the form of light:
2AgCl(s)__light_____- 2Ag + Cl2 ( also known as photolytic reaction)
(c) Equation for decomposition reaction where energy is supllied in the form electricity: 2H2O ____current____- 2H2 + O2 ( also known as Exothermic reaction)
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