Name two metals which react with dilute sulphuric acid or dilute hydrochloric acid to liberate hydrogen gas. Support your answer by writing fully balanced equations of any one of the named metal with (a) dilute sulphuric acid,(b) dilute hydrochloric acid. ( related to hydrogen)

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Solution

Zn and Mg are two of the metals that can release hydrogen gas from dilute sulphuric and hydrochloric acid.

Zn + H₂SO₄ $\to$ ZnSO₄ + H₂
Zn + 2HCl $\to$ ZnCl₂ + H₂

Mg + H₂SO₄ $\to$ MgSO₄ + H₂
Mg + 2HCl $\to$ MgCl₂ + H₂

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(a) Name one metal which reacts with dilute hydrochloric acid to produce hydrogen gas.

(b)Name one metal which does not react with dilute hydrochloric acid.

Dilute acids like hydrochloric acid (HCl), sulphuric acid $H_{2} S O_{4}$ react with certain active metals to evolve hydrogen gas and form their metallic salts.

Write word equations and then balanced equations for the reaction taking

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(b) dilute hydrochloric acid reacts with magnesium ribbon.

(d) dilute hydrochloric acid reacts with iron filings.

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Q. Write balanced chemical equations for the following:

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Name two metals which react with dilute sulphuric acid or dilute hydrochloric acid to liberate hydrogen gas. Support your answer by writing fully balanced equations of any one of the named metal with (a) dilute sulphuric acid,(b) dilute hydrochloric acid. ( related to hydrogen)

Zn and Mg are two of the metals that can release hydrogen gas from dilute sulphuric and hydrochloric acid. ​ Zn + H2SO4 → ZnSO4 + H2 Zn + 2HCl → ZnCl2 + H2 Mg + H2SO4 → MgSO4 + H2 Mg + 2HCl → MgCl2 + H2 ​

Zn and Mg are two of the metals that can release hydrogen gas from dilute sulphuric and hydrochloric acid.

Zn + H₂SO₄ $\to$ ZnSO₄ + H₂
Zn + 2HCl $\to$ ZnCl₂ + H₂

Mg + H₂SO₄ $\to$ MgSO₄ + H₂
Mg + 2HCl $\to$ MgCl₂ + H₂