(ii) Write chemical equation. (iii)Any two uses.
Answers
Answer:A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side....Chemical reactions are used to produce most of our energy. Chemical reactions are used extensively to test, identify and analyse a wide range of materials (for example, pool testing kits and forensic tests from television shows such as 'CSI').Chemical equations are symbolic representations of chemical reactions in which the reactants and the products are expressed in terms of their respective chemical formulae. They also make use of symbols to represent factors such as the direction of the reaction and the physical states of the reacting entities.
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Explanation:
chemical chemical equation is a balance account of a chemical transaction or recation the member of all atom of all the participating element will remain proportionately constant before and after the recation.
Example : Formula of oxygen is o2.