alleryWhich of the following metals has low density and a low melting point?
ASodium
BIron
CCopper
DGold
Answer & Solution
Correct answer: A. Sodium
1. Sodium is a soft alkali metal that floats on water due to low density.
2. It also has a low melting point of about 98 degrees Celsius.
3. Iron, copper and gold are dense with high melting points, so sodium is the answer.
_Source: RRB Group D CEN-02/2018 PYQ, Q.88._
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