1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
What volume of hydrogen gas at 273 K and 1 atm pressure will be consumed in obtaining 21.6 g of elemental boron (atomic mass = 10.8) from the reduction of boron trichloride by hydrogen?
A
67.2 L
B
44.8 L
C
22.4 L
D
89.6 L
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
25 ml of a solution of barium hydroxide on titration with a 0.1 molar solution of hydrochloric acid gave a litre value of 35 ml. The molarity of barium hydroxide solution was
A
0.14
B
0.28
C
0.35
D
0.07
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
With increase of temperature, which of these changes?
A
molality
B
weight fraction of solute
C
molarity
D
mole fraction
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
In a compound C, H and N atoms are present in 9 : 1 : 3.5 by weight . Molecular weight of the compound is 108 g mol-1 . Molecular formula of compound is
A
C2H6N2
B
C3H4N
C
C6H8N2
D
C9H12N3
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12