Ozone, Chlorine and Sulfur Dioxide
Oxygen, chlorine and nitric acid
Nitrous Oxide, PAN and Acrolein
Carbon dioxide, carbon monoxide and sulfur dioxide
Alcohol prepared by the distillation of wood is:
All the following are examples of chemical change, except
Alpha particle is the nucleus of an atom of
Alum stops bleeding in minor cuts as of
Aluminum is extracted from -
Amalgam is an alloy in which the base metal is-
Amino acids are the building blocks of
Among the following iron ores, the highest percentage of iron content is found in-
Among the following which one is not an ape
Among the various allotrope of carbon