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The least easily oxidized of the metals below is?
...

The least easily oxidized of the metals below is?

A.

Ca

B.

Na

C.

Zn

D.

Al

View answer & explanation

Correct answer is C

The activity series is a type of ordering system for elements, which ranks how reactive a certain element is in relation to other elements. The order of reactivity of metals is as follows, Potassium > Sodium > Lithium > Calcium > Magnesium > Aluminium > Zinc > Iron > Copper >

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