The foundation of which one of the following towns was not laid by Sultan Firoz Shah Tughlaq?
(a) Faridabad
(b) Jaunpur
(c) Ferozabad
(d) Hissar
Answer:
Good conductors have many loosely bound
(a) Atoms
(b) Protons
(c) Electrons
(d) Neutrons
Answer:
Which of the following metals is not attacked by the environment
(a) Copper
(b) Iron
(c) Gold
(d) Silver
Answer:
The element with the highest electrical conductivity is
(a) Gold
(b) Silver
(c) Aluminium
(d) Diamond
Answer:
Smoke is a colloid dispersion of a
(a) Gas in a gas
(b) Gas in a solid
(c) Solid in a gas
(d) Liquid in a gas
Answer:
Alum purifies muddy water by
(a) Emulsifying properties
(b) Coagulation
(c) Dialysis
(d) Absorption
Answer:
A colloid solution of a liquid, in a solid is termed as
(a) Sol
(b) Emulsion
(c) Aerosol
(d) Gel
Answer:
Which one is not a colloidal solution?
(a) Ink
(b) Blood
(c) Smoke
(d) Air
Answer:
Out of the following which one is an example of emulsion
(a) Blood
(b) Air
(c) Milk
(d) Soap solution
Answer:
The enzyme ptyalin used for digestion of food is present in
(a) Intestine
(b) Adneral gland
(c) Blood
(d) Saliva
Answer: