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Chemistry 11 Chapter 9
Solutions
Test 6
1.
Which one of the following unit of concentrartion is independent of temperature?
a) Molarity
b) Normality
c) All of these
d) Molality
2.
Which one of the following is the condition of colligative property?
a) Volatile solute
b) All of these
c) Solute non-electrolyte
d) Dilute solute
3.
Homogeneous mixture of two or more compound is called?
a) Solution
b) Ion
c) Radical
d) Compound
4.
Every sample with uniform properties and fixed composition is called?
a) Solution
b) Solvent
c) Phase
d) Solute
5.
Which one is not a colligative property?
a) Elevation of boiling point
b) Osmotic pressure
c) Freezing point
d) Lowring of vapour pressure
6.
Which one of the following solution of H-
2
S0
4
is more concentrated?
a) 1 molal solution
b) All have same value
c) 1 normal solution
d) 1 molar solution
7.
When common salt is dissolved in water?
a) B.P of water increases
b) B.P of water decreases
c) B.P of water remains constant
d) None could be said
8.
Which one of the following substance do not show continuous solubility curve?
a) PbCl
2
b) K
2
Cr
2
O
7
c) Na
2
SO
4
.10H
2
O
d) KClO
4
9.
Which one is the example of liquid solute gas solvent?
a) Dust particle in smoke
b) Paints
c) Opals
d) Fog
10.
Which has the minimum freezing point?
a) One molal NaCl
b) One molal urea solution
c) One molal KCl solution
d) One molal CaCl
2
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