Question

how to make equations for informative ? give any four points.


plz answer ma plz
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Answer 1

Explanation:

(a) The various ways in which a chemical equation can be made more informative are :

(i) By indicating the physical states of the reactants and products. ...

Zn (s) + H2SO4 (aq) ZnSO4 (aq) + H2 (g)

(ii) By indicating the heat changes taking place in the reaction. ...

C (s) + O2 (g) CO2 (g) + Heat.

Answer 2

(a) The various ways in which a chemical equation can be made more informative are : (i) By indicating the physical states of the reactants and products. Example: Gaseous state is indicated by the symbol (g). (ii) By indicating the heat changes taking place in the reaction.