CBSE Class 8 Answered
A metal with silvery appearance is slowly tarnished in air. It reacts with boiling water and evolves hydrogen gas. Dilute hydrochloric acid reacts vigorously with metal evolving hydrogen gas. (i)Identify the metal and (ii) Also write the reactions involved.
Asked by Topperlearning User | 30 Apr, 2014, 03:23: PM
Expert Answer
(i)The metal is magnesium.
(ii)Mg + 2H2O Mg(OH)2 + H2
Mg + 2HCl MgCl2 + H2
Answered by | 30 Apr, 2014, 05:23: PM
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