Surface Chemistry  MCQs

MCQs of Surface Chemistry

Showing 71 to 80 out of 203 Questions
5 6 7 8 9 10
71.
Zeolite is chemically _____
(a) alumino monoxide
(b) slag
(c) alumino silicate
(d) alumine carbon
Answer:

Option (c)

72.
Which has honey comb like structure ?
(a) Protein
(b) Carbohydrate
(c) Zeolite
(d) Rubber
Answer:

Option (c)

73.
The main difference between solution and colloids is in
(a) size of particles.
(b) structure of particles.
(c) constituents of particles.
(d) types of particles.
Answer:

Option (a)

74.
Which colloidal sol repel solvent ?
(a) Lyophobic sol
(b) Lyophilic sol
(c) (A) and (B) both
(d) None of these
Answer:

Option (a)

75.
The concentration higher than critical value, micelle is formed is called _____
(a) critical micelle concentration.
(b) craft micelle concentration.
(c) maximum critical concentration.
(d) none of these.
Answer:

Option (a)

76.
By oxidation of  SO2 and  H2S which sol is formed ?
(a) S
(b) Ag
(c)  O2
(d)  H2O2
Answer:

Option (a)

77.
Two layers in colloid mill are rotated at
(a) 7000 rpm
(b) 4000 rpm
(c) 10000 rpm
(d) 1000 rpm
Answer:

Option (a)

78.
When a pollen grain is kept in water, it shows zig-zag movement it is known as
(a) langmuir movement
(b) freundlich movement
(c) henlis movement
(d) brownian movement
Answer:

Option (d)

79.
The method of obtaining colloid from precipitates is _____
(a) coagulation
(b) dispersion
(c) pentization
(d) demulsification
Answer:

Option (c)

80.
The coagulation power of the electrolytic is in _____ power of the valency of the coagulation ions.
(a) second
(b) third
(c) fourth
(d) none of these
Answer:

Option (c)

Showing 71 to 80 out of 203 Questions
5 6 7 8 9 10