Question

Question 18
The metal which produces hydrogen gas on reaction with dilute hydrochloric acid as well as with sodium
hydroxide solution is
Copper
Iron
Aluminium
Sodium​

Answer 1

Answer:

C) Aluminum

Explanation:

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Answer 2

Explanation:

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☛ Aluminium

☛Aluminium is a reactive metal and it is known to react with dilute Hydrochloric Acid and Sodium Hydroxide solution.

☛This is because of the position of aluminium in electrochemical series that makes is highly reactive and also explains it's ability to displace Hydrogen gas from both the given reactants.

☛Elements which are placed above hydrogen in the series can easily displace it from the reactive compounds.

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☛It is a silvery-white, soft, non-magnetic and ductile metal in the boron group. By mass, aluminium makes up about 8% of the Earth's crust, where it is the third most abundant element (after oxygen and silicon) and also the most abundant metal. The oxides and sulfates are the most useful compounds of aluminium.