._____________________ is the main source of sodium chloride
Water.
Sea water.
Air.
None of the above
In sodium chloride solubility does not ______________________ much with _______________ in temperature.
increase,decrease.
deacrease,increase
.increase,increase.
decrease,decrease.
Sodium chloride is a ___________________ solid
White crystalline.
Blue crystalline.
Brown crystalline.
Sea watercontains_____________ of NaCl.
2.7-2.9%.
2.0-2.5%.
3.0-3.2%.
1.0-1.4%.
Sodium carbonate is prepared by _____________________.
Solvay process
Ammonia soda process.
Haber process.
Solvay process or Ammonia soda process
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.
The ammonical brine flows down slowly and comes in contact with ____________________.
Carbon.
Carbon dioxide.
Carbon monoxide.
Carbon trioxide.
In India,Sodium chloride is prepared by the evaporation of ___________________.
Sea water
In the solvay process for the manufacture of sodium carbonate,The clear ammonical brine is now fed to the top of a tower known as_________________.
Lime klin tower.
Carbonation tower.
Ammonia recovery tower.
Calcium and magnesium chlorides remain in solution because they are __________________ than sodium chloride.
more soluble.
less soluble.
not soluble.
