Question

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Giving an example list two information which make a chemical equation more useful (informative)?
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Answer 1

Answer:

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.

Explanation :

In the attachment

Answer 2

Explanation:

• evolution of heat and and sound.
• formation of precipitate