ScienceThe metal which produces hydrogen gas on reaction with dilute hydrochloric acid as well as sodium hydroxide solution is- 

The metal which produces hydrogen gas on reaction with dilute hydrochloric acid as well as sodium hydroxide solution is- 


  1. A
    Copper
  2. B
    Iron
  3. C
    Aluminium
  4. D
    Sodium 

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    Solution:

    The metal that produces hydrogen gas on reaction with dilute hydrochloric acid as well as sodium hydroxide solution is Aluminium.
    Aluminium reacts with dilute hydrochloric acid (HCl) and sodium hydroxide (NaOH) to produce hydrogen gas. Aluminium is amphoteric, because it can react with both acids and bases to produce water and salt. Al reacts with HCl, a strong acid, to form AgCl and H2(g).
    Reaction is: Al(s)+6HCl(aq)→2AlCl3(aq)+3H2(g)
    Al reacts with NaOH, a strong base in the presence of water, to form NaAlO2 and H2(g).
    Reaction is: 2Al(s)+2NaOH(aq)+2H2O(l)→2NaAlO2+3H2(g).
     
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