1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber’s process is :
A
10
B
20
C
30
D
40
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
A mixture of 2.3 g formic acid and 4.5 g oxalic acid is treated with conc. H2SO4 . The evolved gaseous mixture is passed through KOH pellets. Weight (in g) of the remaining product at STP will be
A
1.4
B
3.0
C
2.8
D
4.4
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
In which case is number of molecules of water maximum?
A
18 mL of water
B
0.18 g of water
C
0.00224 L of water vapours at 1 atm and 273 K
D
10–3 mol of water
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Which of the following is dependent on temperature?
A
Molarity
B
Mole fraction
C
Weight percentage
D
Molality
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