1
NDA General Ability 1st September 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which of the following anions has a valency of -3 ?  
1
Nitride 
2
Nitrate 
3
Sulphide 
4
Sulphate 
2
NDA General Ability 1st September 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The mass of 0:5 mole of N2 gas is 
1
7 g
2
14 g
3
21 g
4
28 g
3
NDA General Ability 1st September 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The chemical reaction : 2AgCl (s) → 2Ag (s) + Cl2 (g) takes place 
1
in dark 
2
in sunlight 
3
on heating 
4
under high pressure 
4
NDA General Ability 1st September 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one among the following is commonly used as an ‘anti-skinning agent’ in paints ?  
1
Gelatin 
2
N-methyl pyrrolidone 
3
Pyridine 
4
Polyhydroxy phenol 
EXAM MAP