Question

Write down the chemical equation of reaction between hydrochloric acid and some

metal you already know.​

Answer 1

Answer:

Summary. An acid will react with a metal to form a salt and hydrogen gas. The general word equation for the reaction between an acid and a metal is as follows: acid + metal → salt + hydrogen.

Explanation:

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Answer 2

Answer:

(i) 3Fe(s)+4H2O(g)→ (Steam)Fe3O4(s)+4H2(g)Fe(II, III)oxide

(ii) Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g)

(iii) 2Cu(s)+O2(g)−→heat (Air) 2CuO(s)Copper (II) oxide or Cupric oxide