Answer the questions on the basis of your understanding of the following passage and related stud...

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Answer the questions on
the basis of your understanding of the following passage and related studied concepts:
The reactivity series is a list of metals arranged in the order of their decreasing activities.
On the basis of their reactive tendency to lose electron and their reactive nature, metals are arranged in a seires, this series is called activity series or reactivity series of metals.
The metals that are placed above hydrogen are called most reactive metals and the metals that are placed below hydrogen are called least reactive metals. The most reactive metals can displaces less rectives metals from its salts solution.

K Potassium Most reactive

Na Sodium

Ca Calcium

Mg Magnesium

Al Aluminium

Zn Zinc Reactivity decrease

Fe Iron

Pb Lead

H Hydrogen

Cu Copper

Hg Mercury

Ag Silver

Au Gold Least reactive


The method is used to extract metal present at the top of the series will be
(a) electrolytic refining
(b) calcination
(c) electrolytic reduction

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