1
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
Suppose the elements X and Y combine to form two compounds XY2 and X3Y2. When 0.1 mole of XY2 weights 10 g and 0.05 mole of X3Y2 weighs 9 g, the atomic weights of X and Y are
A
40, 30
B
60, 40
C
20, 30
D
30, 20
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
What is the mass of the precipitate formed when 50 mL of 16.9% solution of AgNO3 is mixed with 50 mL of 5.8% NaCl solution ? (Ag = 107.8, N = 14, O = 16, Na = 23, Cl = 35.5
A
3.5 g
B
7 g
C
14 g
D
28 g
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
What is the mole fraction of the solute in a 1.00 m aqueous solution?
A
1.770
B
0.0354
C
0.0177
D
0.177
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
The number of water molecules is maximum in
A
1.8 gram of water
B
18 gram of water
C
18 moles of water
D
18 molecules of water
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