Solutions  MCQs

MCQs of Solutions

Showing 31 to 40 out of 157 Questions
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31.
The values of KH for O2, N2 and He are respectively 1.8 × 10-4 bar-1, 4.48 × 10-4 bar-1 and 6.8 × 10-4 bar-1. Hence, the order of their solubility in water will be _____ .
(a) He > N2 > O2
(b) He > O2 > N2
(c) O2 > N2 > He
(d) N2 > He > o2
Answer:

Option (c)

32.
Which of the following is not an example of substitutional solid solution ?
(a) Monel metal
(b) Steel
(c) Tungsten carbide
(d) Brass
Answer:

Option (c)

33.
What are the component elements present in bronze ?
(a) Cu + Sn
(b) Cu + Zn
(c) Cu + Ni
(d) Cu + Fe
Answer:

Option (a)

34.
On which of the following do colligative properties depend ?
(a) Nature of solvent
(b) Nature of solute
(c) Number of solvent molecules
(d) Number of solute paticles
Answer:

Option (d)

35.
Which of the following is/are the methods (s) of determining the molecular mass ?
(a) Henry's law
(b) Raoult's law
(c) Osmotic pressure measurement method
(d) Both (B) and (C)
Answer:

Option (d)

36.
Which of the following pairs cannot form an ideal solution ?
(a) C6H6 + C6H5CH3
(b) C4H9OH + H2O
(c) CCl4 + SiCL4
(d) C2H5Br + C2H5I
Answer:

Option (b)

37.
Benzene (A) and toluene (B) form an ideal solution. Which of the following formulas are wrong ?

(p° indicates partial vapour pressure of pure solvent)

(a) pA = XA p°A
(b) pTotal > pA + pB
(c) pTotal = XA p°A + XB p°B
(d) pB = XB p°B
Answer:

Option (c)

38.
Which of the following is a solution ?
(a) Copper
(b) Zinc
(c) Brass
(d) Nickel
Answer:

Option (c)

39.
Pickup the correct formula of potash alum.
(a) K2SO4•Al2(SO4)3•24H2O
(b) K2SO4•Al2(SO4)2•24H2O
(c) K2SO4•Al2(SO4)3•12H2O
(d) K2SO4•Al(SO4)3•12H2O
Answer:

Option (a)

40.
Which of the following is more soluble in water ?
(a) Propanol
(b) 1, 2 propane diol
(c) Glycecol
(d) 1, 3 propane diol
Answer:

Option (c)

Showing 31 to 40 out of 157 Questions
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