1.

uiig potassium iodide solution to18. (a) What is a chemical equation ? Explain with the help of an example.(b) Giving examples, state the difference between balanced and unbalanced chemical equations.1 (c) Balance the following chemical equations:(İ) NH3--> N2+H2(ii) C +CO2Co

Answer»

(a) 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.Eg: 2H₂ + O₂ -> 2H₂O

(b)

(c) 2NH₃ -> N₂ + 3H₂ C + CO₂ -> 2CO



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