Sir Humphrey Davey was ………. Chemist.
a) English
b) German
c) Italian
d) Russian
Sodium metal was discovered in ………
a) 1809
b) 1810
c) 1807
d) 1806
Sodium metal was discovered by the electrolysis of ………
a) fused NaOH
b) NaCl
c) Na2CO3
d) NaBr
Commercially Sodium metal is obtained from the electrolysis of ……
a) fused NaCl
b) NaBr
c) fused NaOH
d) Na2CO3
Commercially Sodium metal is prepared fin...
a) Down cell
b) Daniel cell
c) Nelson cell
d) all of these
The down cell consists of ……… container.
a) steel
b) iron
c) copper
d) chromium
