1
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
For an element with atomic number 35, which one of the following will be the correct number of electrons in its valence shell based on Bohr's model of an atom?
A
1
B
3
C
5
D
7
2
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following is not an example of a redox reaction?
A
AlCl3 + 3H2O → Al(OH)3 + 3HCl
B
2NaH → 2Na + H2 
C
4Fe +3O→ 2Fe2O3 
D
CuSO4 + Zn → Cu + ZnSO4 
3
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following allotropes of carbon is isomorphous with crystalline silicon?
A
Coke
B
Diamond
C
Graphite
D
Coal
4
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following is the colour of hydrogen gas?
A
Light yellow
B
Orange
C
Black
D
Colourless
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