JEE Main & Advanced
Sample Paper
JEE Main Sample Paper-1
question_answer
A silvery white metal, lighter than water can be produced only by the electrolysis of its fused chloride with difficulty. The metal is used as coolant in nuclear reactors. The metal is
A) K
B) Mg
C) Ca
D) Na
Correct Answer:
D
Solution :
The metal showing the mentioned properties and uses is Na.