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1
AIEEE 2012
MCQ (Single Correct Answer)
+4
-1
The density of a solution prepared by dissolving 120 g of urea (mol. Mass = 60 u ) in 1000g of water is 1.15 g/mL. The molarity of this solution is :
A
0.50 M
B
1.78 M
C
1.02 M
D
2.05 M
2
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
A 5.2 molal aqueous solution of methyl alcohol, CH3OH, is supplied. What is the mole fraction of methyl alcohol in the solution ?
A
0.190
B
0.086
C
0.050
D
0.100
3
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
The density (in g mL-1) of a 3.60 M sulphuric acid solution that is 29% H2SO4 (molar mass = 98 g mol-1) by mass will be
A
1.45
B
1.64
C
1.88
D
1.22
4
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
In the reaction

2Al(s) + 6HCl(aq) $$\to$$ 2Al3+ (aq) + 6Cl-(aq) + 3H2(g)
A
11.2 L H2(g) at STP is produced for every mole HCl(aq) consumed
B
6 L HCl(aq) is consumed for every 3L H2(g) produced
C
33.6 L H2(g) is produced regardless of temperature and pressure for every mole that reacts
D
67.2 H2(g) at STP is produced for every mole Al that reacts
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