(A) Electron, Proton
(B) Proton, Neutron
(C) Neutron, Electron
(D) Neutron, Positron
Tag: Inorganic Chemistry
Advantage of detergents over soaps is?
(A) Soaps give lather with only soft water
(B) Detergents give lather even with hard water
(C) Detergents could not give much lather
(D) Detergents are soluble in water
Substance which does not expand on going from liquid state to solid state is?
(A) Aluminium
(B) Type metal
(C) Water
(D) Cast Iron
Which of the following gases is present under pressure in soft drinks?
(A) Nitrogen
(B) Oxygen
(C) Carbon dioxide
(D) Nitrous oxide
An atomic pile is used for?
(A) Conducting nuclear fission
(B) Producing X-Rays
(C) Conducting thermonuclear fusion
(D) Accelerating atoms
What is the chemical name for washing soda?
(A) Sodium nitrite
(B) Sodium nitrate
(C) Sodium carbonate
(D) Sodium bicarbonate
Which one of the following metals pollutes the air of a city having large number of automobiles?
(A) Chromium
(B) Cadmium
(C) Copper
(D) Lead
The three elements most needed in common fertilizers are?
(A) Sulphur, Phosphorous and Sodium
(B) Calcium, Phosphorous and Potassium
(C) Phosphorous, Sodium and Nitrogen
(D) Nitrogen, Potassium and Phosphorous