The Ammonical brine is packed with a number of ________________ plates each having a hole covered by a perforated plate.
Horizontal or vertical plates
Vertical plates.
.Horizontal plates.
None of the above.
Sodium chloride is soluble in water and its solubility is ______________ per 100g of water at 273 K.
36.1 g.
36.5 g
36.2 g.
36.0 g.
Sodium chloride is used for the purification of ___________________.
Water.
Soap.
Salt
Ammonia gas is passed through ________________ brine solution in a saturating tank.
30%.
35%
40%.
45%.
Sodium chloride is used in the manufacture of ________________.
Sodium
Sodium hydroxide.
Washing soda.
All the above.
In India,Sodium chloride is prepared by the evaporation of ___________________.
Sea water
Air.
Calcium and magnesium chlorides remain in solution because they are __________________ than sodium chloride.
more soluble.
less soluble.
not soluble.
To obtain pure sodium chloride, the crude salt is dissolved in __________________ amount of water to obtain a saturated solution.
Minimum.
Maximum.
Constant.
The milky solution coming out of the carbonating tower contains ________________ as a fine suspension.
Sodium.
Carbonate.
Hydrogen.
Sodium hydrogen carbonate.
._____________________ is the main source of sodium chloride
Sea water.
None of the above
