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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

How many of the following metals can be extracted by...

How many of the following metals can be extracted by auto-reduction?

\text{Fe}, \text{Zn}, \text{Pb}, \text{Al}, \text{Hg}, \text{Cu}, \text{K}, \text{Ca}

Correct answer

3

Step-by-step solution

\text{Pb}, \text{Cu}

and

\text{Hg}

can be extracted by self or autoreduction.

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