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Materials metals and non-metals — Science STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8ScienceMaterials metals and non-metals3 Marks
Question
How do metals react with dilute acids? Explain with the help of an example.
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Answer

Metals react with dilute acids to form metallic salts and hydrogen gas. For example, Aluminium foil reacts with dilute hydrochloric acid to produce aluminum chloride and hydrogen gas.
The balanced chemical equation for the reaction is:
$2 Al ( s )+6 HCl ( aq ) 2 AlCl _3( aq )+3 H _2(g)$

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