what is a chemical reaction? state the condition necessary for a chemical reaction?
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Chemical reactions- The transformation of chemical substance into a new chemical substance by making and breaking of bonds between different atoms is known as Chemical Reaction.
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Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.
conditions necessary for a chemical reaction are : 1- a minimum amount of energy 2-the molecules or atoms of the reactants must collide with one another 3- the speed of the reaction should be appreciable 4- the rate of reactiondepends on: 1- temperature 2- presence of light 3- electricity 4- pressure .
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