1
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following metals floats in cold water?
A
Magnesium
B
Calcium
C
Potassium
D
Copper
2
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following solutions is not capable of conducting electricity?
A
Copper sulphate
B
Sodium chloride
C
Sugar
D
Sodium hydroxide
3
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
To help deep-sea divers breathe, they carry cylinders of oxygen mixed with
A
chlorine
B
helium
C
nitrogen
D
ozone
4
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which of the following compounds undergoes/undergo thermal decomposition?
A
Zinc oxide
B
Silver oxide and zinc oxide
C
Silver oxide
D
Magnesium oxide
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