1
NDA General Ability 13 April 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one among the following elements is known to be discovered the earliest?
1
Copper
2
Gold
3
Oxygen
4
Uranium
2
NDA General Ability 1st September 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The intermixing of particles of two different types of matter on their own is called 
1
Osmosis 
2
Brownian motion 
3
Diffusion 
4
Conductance 
3
NDA General Ability 1st September 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one among the following elements is polyatomic ? 
1
Sodium
2
Sulphur 
3
Chlorine 
4
Aluminium 
4
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 
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