1
IIT-JEE 1987
True or False
+1
-0
Sodium when burnt in excess of oxygen gives sodium oxide.
A
TRUE
B
FALSE
2
IIT-JEE 1987
MCQ (Single Correct Answer)
+1
-0.25
The metallic lustre exhibited by sodium is explained by
A
diffusion of sodium ions
B
oscillation of loose electrons
C
excitation of free protons
D
existence of body centered cubic lattice
3
IIT-JEE 1987
Subjective
+1
-0
Give reasons of the following :
Magnesium oxide is used for the lining of steel making furnace.
4
IIT-JEE 1987
Subjective
+1
-0
Give reasons of the following:
Why is sodium chloride added during electrolysis of fused anhydrous magnesium chloride?
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