(A) Aquatic plants
(B) Crop residues
(C) Animal wastes
(D) Forest residues
Tag: Inorganic Chemistry
A cyclotron is?
(A) A particle accelerator
(B) A charged particle
(C) A magnetic particle
(D) A radioactive particle
which among following contains high content of lead?
(A) Cooking gas
(B) High octane fuel
(C) Coal
(D) Low octane fuel
Which of the toxic heavy metals is found in modem tannery industries?
(A) Zinc
(B) Chromium
(C) Nickel
(D) Lead
Among following which is organic mineral?
(A) Analcime
(B) Angite
(C) Hornblende
(D) Amber
What is the number of known crystalline phases of water?
(A) 2
(B) 4
(C) 15
(D) 18
A balloon filled with helium rises in air because?
(A) Air exerts an upward force on the balloon.
(B) The balloon is weightless.
(C) Helium is less dense than air.
(D) Helium pushes down on the air below the ballon.
Refrigerant ‘’FREON’’ is?
(A) Difluoro Dichloro Methane
(B) Calcium Tetrafluoride
(C) Hydrofluosilicic Acid
(D) Fluorspar and Felspar