KERALA PSC LDC EXAM COACHING 2013
CHEMISTRY
1.Commercial name of "Sodium Nitrate" is
Chile Saltpeter
2.Element which is used as an Antiseptic
Iodine
3.Red soil got its colour due to the presence of
Iron Oxide
4.The chemical symbol of gold
Au
5.Most abundant compound present in animals
Water
6.Most harmful metal to human beings is
Lead
7.Most ionic compound
Caesium flouride
8.Man made elements are known as
Transuranics
9.The combining capacity of one atom to another is
Valency
10.Combination of atoms is called
Molecules
