B.Ed (CHANDIGARH) 2018 Entrance Exam With Answers

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20.

Which of the following is the lightest metal ?

A: Mercury

B: Lithium

C: Lead

D: Silver

The answer is: B

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Explanation

The lightest metal among the options provided is B) Lithium.

Lithium is the lightest metal in terms of its atomic weight and has a low density. It is an alkali metal and is known for its lightness, softness, and high reactivity. Mercury, lead, and silver are all heavier metals compared to lithium.