31. Which factor does not affect solubility?
A) Temperature
B) Pressure
C) Color
D) Nature
Answer: C
32. Which solution type is soda water?
A) Solid in liquid
B) Gas in liquid
C) Liquid in gas
D) Solid in gas
Answer: B
33. Suspension is:
A) Stable
B) Unstable
C) Permanent
D) Pure
Answer: B
34. Which can be separated by decantation?
A) Solution
B) Suspension
C) Colloid
D) Gas
Answer: B
35. Solubility curve represents:
A) Temperature vs solubility
B) Pressure vs volume
C) Time vs rate
D) None
Answer: A
36. Which mixture is cloudy?
A) Solution
B) Suspension
C) Gas
D) Solid
Answer: B
37. Which mixture has uniform composition?
A) Suspension
B) Solution
C) Colloid
D) Emulsion
Answer: B
38. Solute particles in solution are:
A) Large
B) Medium
C) Very small
D) Huge
Answer: C
39. Suspension particles can be seen by:
A) Microscope only
B) Naked eye
C) Telescope
D) None
Answer: B
40. Sedimentation occurs in:
A) Solution
B) Suspension
C) Gas
D) Liquid
Answer: B