1
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following reactions will give NO (nitric oxide) gas as one of the products ?
A
3Cu + 8HNO3 (dil.) $$\to$$
B
Cu + 4HNO3 (conc.) $$\to$$
C
4Zn + 10HNO3 (dil.) $$\to$$
D
Zn + 4HNO3 (conc.) $$\to$$
2
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is a tribasic acid?
A
Hydrochloric acid
B
Nitric acid
C
Sulphuric acid
D
Phosphoric acid
3
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following statements is not correct?
A
All carbons in diamond are linked by carbon-carbon single bond
B
Graphite is layered structure in which layers are held together by weak van der Waals' forces
C
Graphite layers are formed by hexagonal rings of carbon atoms
D
Graphite layers are held together by carbon-carbon single bond
4
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following solution will have pH less than 7 ?
A
NaOH
B
KCl
C
FeCl3
D
NaCl
Questions Asked from Marks 2.5