Question

9. How do metals react with dilute acids? Explain with the help of an example. ​

Answer 1

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$\dashrightarrow$Metals react with dilute acids to form metallic salts and hydrogen gas.

$\dashrightarrow$For example, Aluminium foil reacts with dilute hydrochloric acid to produce aluminum chloride and hydrogen gas. The balanced chemical equation for the reaction is: 2Al(s) + 6HCl(aq) 2AlCl3(aq) + 3H2(g).

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Answer 2

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Note:-

(Acids react with most metals to form hydrogen gas and salt. Nevertheless, not all metals react in the same way to acids.)

★ When an acid reacts with metal, salt and hydrogen gas are produced.

For example:-

• Zinc powder reacts with hydrochloric acid that releases H2 gas and zinc chloride.

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