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:

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Answer 2

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To make chemical equations more informative , we mention :-

★ We mention the physical state of reactant and product.

• (g) for gas.
• (s) for solid.
• (l) for liquid.
• (aq) for aqueous solution.

★ Up(↑) arrow for evolution of gas and down(↓) arrow for precipitation.

Example :-

➔ AgNO₃(aq) + KCl(aq) → AgCl↓ + KNO₃(aq)

➔ 2H₂(g) + O₂(g) → 2H₂O(l)