Q1 of 18 Page 9

When you buy washing soda from the market, you will get it in powder form because

Washing soda (Sodium Carbonate, Na2CO3) is an efflorescent substance which means that it loses its water part to the surroundings leaving it in a powder form. As it loses its water part, it is unable to form crystals also and it is not drying agent.

More from this chapter

All 18 →
1

Magnesium sulphate crystals are commonly called.

 1

A sample of hard water is heated in a utensil. A white deposit of calcium carbonate is formed. This is due to the presence of

 1

The salt that causes hardness in water and also liberates carbon dioxide on heating is,

 1

When steam is passed over red hot iron we get the following products.