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DCMC CLASS IX AND X CHEMISTRY

Exothermic and Endothermic reaction

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By Kavita Monga - April 20, 2017

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Valency Chart

By Kavita Monga - April 28, 2017

Chemical reaction and equation class-X

By Kavita Monga - April 10, 2017

Chemical reaction and equation Chemical reaction :- the process in which orignal substance looses its nature and identity and new chemical substance will be formed with new chemical properties is called chemical reaction. example :- cooking of food digestion of food respiration burning of fuels Characteristics of chemical re...