Chemical name of washing soda is sodium carbonate decahydrate. Formula: Na2CO3, 10H2O
As the name suggests washing soda is commonly used in detergents. It is also used in treatment of hard water.
Chemical name of of the main component of limestone is Calcium carbonate. Formula: CaCO3
Limestone is a popular building material. It is also used in purification of iron in blast furnaces. It is also used in manufacture of glass and cement.
Soda lime is a mixture of Sodium hydroxide and potassium or sodium hydroxide. Chemical formula: CaHNaO2
Soda lime has a unique ability to absorb moisture from air. It also absorbs carbon dioxide from air. Hence it is used in manufacture of gas masks.
Chemical name for baking soda is Sodium Bicarbonate. Chemical formula: NaHCO3
Baking soda releases carbon dioxide when heated. As the name suggests it is a vital component in the baking industry providing fluffiness to cakes and breads. It is also used in tooth pastes as a whitening agent, manufacture of diaper rash creams and deodorants.