Question

What is the common name of
a). $NaHCO_{3}$
b).$Na_{2}CO_{3}.10H_{2}O$

Answer 1

Hint: An attempt to this question can be made by determining the use of the above-mentioned compounds on a commercial basis. They are mainly used as cleansing agents and cooking ingredients.

Complete answer:
a).Sodium bicarbonate is a chemical compound made up of carbon, sodium, oxygen and hydrogen. It is a monosodium salt of carbonic acid.
It is white crystalline odorless solid having a bitter taste. It is sparingly soluble in water.
It is most commonly known as baking soda or cooking soda or bicarbonate soda.
It is commonly used in baking and pharmaceutical industries.
Baking soda is a versatile compound. It is quite cheap and because of its usefulness it has become a common household substance.
It is even used as an antacid, which is used to treat heartburn and indigestion.

b).Sodium carbonate is a white colored inorganic compound made up of sodium, carbon and oxygen elements.
It has various hydrated forms.
Since it is made of weak acid and strong base, it is strongly alkaline in nature.
It is most commonly known as washing soda or soda ash or soda crystals.
It is an odorless crystalline solid which is soluble in water.
Washing soda is widely used in production of detergents and soaps and in the manufacturing of glass.

Note:
Baking soda is used to raise the batter of flour. It is used in making baking powder which is a mixture of baking soda and mild acid such as tartaric acid. Washing soda is a salt of carbonic acid and sodium hydroxide.