Question

What is the common name of sodium carbonate?
A.Baking soda
B.Washing soda
C.Bleaching powder
D.Sweet soda

Answer 1

Hint:Sodium carbonate is an inorganic compound which has a molecular formula of $N{a_2}C{O_3}$. It is a strong base and is crystalline white coloured powder in nature. Sodium carbonate is a strong base which is used as a cleaning agent and to manufacture detergents, soaps and paper

Complete step by step answer:
The common name of a compound is a part of the nomenclature system for simple naming of the compound. It is different from IUPAC name as it is a name given to a compound which is easier to use in everyday life, whereas IUPAC name of a compound is designated by following the nomenclature rules.
Sodium carbonate is an inorganic compound which has a molecular formula of $N{a_2}C{O_3}$ . Thus, it is a sodium salt of carbonic acid and is a strong base and is crystalline white coloured powder in nature. It has a heptahydrate structure with two sodium cations and a carbonate anion. If sodium carbonate is not handled properly and is inhaled then it causes harm to the respiratory tract, causes irritation, cough and shortness of breath but, if it is used appropriately then it acts as an antacid. It is not combustible and flammable and it reacts with strong acids.
Sodium carbonate is a strong base which is used as a cleaning agent and to manufacture detergents, soaps and paper. It is also used to manufacture water glass and in various other industries. It is used as a swimming pool chemical, for food processing and as a water softener. The common name of sodium carbonate $N{a_2}C{O_3}$ is washing soda.

So, the correct option for the above question is (B).

Note:
Sodium carbonate dissolves in water as the negative part of the water molecules attracts the positive sodium ions and the positive water molecules attract the negative carbonate ions. When it is dissolved in water, It forms carbonic acid and sodium hydroxide.