51. Which of the following is an example of liquid in liquid solution?
A) Salt in water
B) Alcohol in water
C) Air
D) Brass
Answer: B
52. Which type of mixture is fog?
A) Solution
B) Suspension
C) Colloid
D) Solid
Answer: C
53. Which of the following has intermediate particle size?
A) Solution
B) Suspension
C) Colloid
D) Gas
Answer: C
54. Which mixture cannot be separated by filtration?
A) Suspension
B) Solution
C) Mud water
D) Sand in water
Answer: B
55. Which of the following shows no sedimentation?
A) Suspension
B) Solution
C) Mud
D) Chalk in water
Answer: B
56. Which solution contains maximum solute at given temperature?
A) Dilute
B) Unsaturated
C) Saturated
D) Colloid
Answer: C
57. The term “miscible” refers to:
A) Insoluble liquids
B) Soluble liquids
C) Solid solutions
D) Gases
Answer: B
58. Oil and water are:
A) Miscible
B) Immiscible
C) Soluble
D) Homogeneous
Answer: B
59. Which property of suspension causes settling?
A) Small particles
B) Large particles
C) Invisible particles
D) Dissolved particles
Answer: B
60. Which mixture forms layers on standing?
A) Solution
B) Suspension
C) Pure liquid
D) Solid
Answer: B