When CO2 is bubbled into an aqueous solution of Na2CO3, the following is formed
H2O
OH-
NaHCO3
NaOH
Ca, Sr and Ba dissolves in liquid ammonia giving a
Highly non - conducting
Highly non - reducing
Diamagnetic
Deep blue in colour
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
Slaked lime is
CaCO3
CaO
Ca(OH)2
Ca(C2O4)
Sodium is produced by the electrolysis of molten sodium chloride fed continuously into
Castner kneller cell
Galvanic cell
Daniel cell
Downs cell
Which gives apple gives green colour in fire works?
Na
K
Ba
Ca
Milk of lime is
CaHCO3
CaSO4 2H2O
Most reactive among the following is
Li
Mg
The atomic numbers of four elements are given below. Which is an alkaline earth metal?
10
20
30
40
