1.
Alum is a double
salt.
2.
Calcium carbonate on
heating decomposes into lime and CO2.
3.
Ferrous Sulphate
decolourises Potassium permanganate solution.
4.
Mixture of copper sulphate
and lime is called Bordeaux mixture.
5.
For setting fractured bone Plaster
of Paris is used.
6.
Sodium bicarbonate is known
as Baking soda.
7.
Marble is a variety of calcium carbonate.
8.
Ferrous sulphate is
commonly known as green vitriol
9.
Alum is used for to
stop bleeding
10.
Plaster of Paris is
prepared from gypsum.
