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NTA Abhyas 2020

Exam: NTA Abhyas
Year: 2020
Subject: Chemistry
Chapter: General Principles and Processes of Isolation of Metals

NTA Abhyas 2020 · Chemistry · General Principles and Processes of Isolation of Metals

Electrometallurgical process is used to extract

Electrometallurgical process is used to extract

Options

A $\text{Fe}$
B $\text{Pb}$
C $\text{Na}$
D $Ni$

Correct answer

C. $\text{Na}$

Step-by-step solution

Because

\text{Na}

is very reactive and can not be extracted by means of the reduction by

\text{C}

,

\text{C}\text{O}.

etc. So, it is extracted by electrolysis of molten

\text{NaCl}

Solution.

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