1
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following statements is not correct?
A
Most carbon compounds are good conductors of electricity.
B
Bonding in organic compounds is covalent.
C
Graphite is used as a lubricant.
D
Diamond is an allotrope of carbon.
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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