1
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The electric field lines from an isolated positively charged conducting sphere are
A
tangential to the conducting surface
B
at right angles to the conducting surface and towards the centre of the sphere
C
at any angle to the conducting surface
D
at right angles to the conducting surface and outwards from the centre of the sphere
2
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following is not a solution?
A
Alloy
B
Milk
C
Air
D
Sugar
3
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Refining of petroleum is carried out using which one of the following techniques?
A
Evaporation
B
Fractional distillation
C
Separating funnel
D
Sublimation
4
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following is a chemical change?
A
Dissolving sugar in water
B
Melting of ice
C
Crystallization
D
Milk turning sour
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