1
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which of the following carbon compounds will not give a sooty flame?
A
Benzene
B
Hexane
C
Naphthalene
D
Anthracene
2
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is the number of mole(s) of H2(g) required to saturate one mole of benzene?
A
1
B
2
C
3
D
4
3
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is a cause of acid rains?
A
Ozone
B
Ammonia
C
Sulphur dioxide
D
Carbon monoxide
4
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The desirable range of pH for drinking water is
A
6.5 to 8.5
B
5.0 to 6.5
C
6.5 to 7.0
D
7.0 to 8.5
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