Milk of lime is
CaCO3
CaHCO3
Ca(OH)2
CaSO4 2H2O
The electrolyte employed in the extraction of sodium by downs electrolysis method is
An aqueous solution of NaCl
Molten NaCl
Molten NaOH
Molten mixture of MgCl2 and NaCl
Calcium is extracted by the electrolysis of
Fused CaCl2 and CaF2
CaCl2 solution
Fused CaCl2 2 NaF
Ca(PO4)2 solution
Sodium is produced by the electrolysis of molten sodium chloride fed continuously into
Castner kneller cell
Galvanic cell
Daniel cell
Downs cell
Slaked lime is
CaO
Ca(C2O4)
Ca, Sr and Ba dissolves in liquid ammonia giving a
Highly non - conducting
Highly non - reducing
Diamagnetic
Deep blue in colour
Which of the following will liberals hydrogen by its reaction with HCl?
Cu
P
Hg
Mg
Most reactive among the following is
Li
K
Na
Lithium is the only alkali metal which do not place in kerosene but is wrapped in paraffin wax, because
It floats to the surface of kerosene because of low density
It reacts with kerosene
It does not react with air and H2O
These are metals
The most homogeneous family in periodic table is
Alkali metals
Alkaline earth metal
Volatile metals
Coinage metals
