1
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
2
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The transfer of electrical signals by nerve cells in human body is enabled by
A
sodium
B
potassium
C
iron
D
sodium and potassium
3
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Silver artifacts get tarnished in the air due to the formation of
A
silver chloride
B
silver oxide
C
silver sulphide
D
silver sulphate
4
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Human eye can see objects at different distances with contrasting illuminations. This is due to
A
far-sightedness
B
near-sightedness
C
far-sightedness and nearsightedness
D
accommodation of eye
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