(A) Air in a dispersion medium of water
(B) Fog in a dispersion medium of water
(C) Mist in a dispersion medium of air
(D) Water drops in a dispersion medium of air
Tag: Inorganic Chemistry
which of the following is the main nitrogenous waste in humans?
(A) Urea
(B) Uric Acid
(C) Ammonium Nitrate
(D) Ammonia
Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere?
(A) Carbon dioxide
(B) Nitrous oxide
(C) Sulphur dioxide
(D) Chlorofluorocarbon
The polymerisation of which of the following is used in manufacturing of polythene in industry?
(A) Styrene
(B) Methie
(C) Acetylene
(D) Ethylene
Milk tastes sour when it is left in open for some time. This happen due to the formation of?
(A) Citric acid
(B) Lactic acid
(C) Acetic acid
(D) Carbonic acid
Which of the following alloy is used in making magnet?
(A) Stainless steel
(B) Elniko
(C) Magnalium
(D) Duralumin
which of the following is used as filler in tyre of rubber?
(A) Coke
(B) Coal
(C) Carbon Black
(D) Graphite
which of the following fibres catches fire least?
(A) Cotton
(B) Nylon
(C) Terricot
(D) Rayon