What is bronze ?
An Alloy of Cu and Sn

What is galvanizing ?
Coating of Iron with Zinc

What is euchlorine ?
Gaseous mixture of Cl and ClO2

What is Freon ?
CCl2F2, Refrigerant

What is BHC ?
Benzene Hexa Chloride, an insecticide

Which fuel is used in spirit lamps ?
Ethyl alcohol

What is the formula of bleaching powder ?
CaOCl2

What is DDT ?
Dichloro Diphenyl Trichloro Ethane, an insecticide

Who invented microchip ?
Jack S Kilby

The process of union of two or more molecules of a substance to form a large single molecule is called
Polymerisation