1
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which among the following is the correct arrangement of halogens in the increasing order of their oxidizing nature?
A
F, CI, Br, I
B
CI, Br, F, I
C
Br, I, CI, F
D
I, Br, CI, F
2
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Copper sulphate crystals available in the market are blue coloured crystals. By careful heating, they turn to white colour. Which one of the following is responsible for the blue colour?
A
Oxygen
B
Nitrogen
C
Water
D
Hydrogen
3
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Equal volume of all gases, when measured at the same temperature and pressure, contain an equal number of particles. Who proposed the above law?
A
Charles
B
Boyle
C
Avogadro
D
Lussac
4
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Airbags work on the principle of a chemical reaction triggered by the impact producing a gaseous product that causes a sudden volume change. Which one among the following chemical conversions is responsible for this?
A
Sodium azide into nitrogen gas
B
Solid carbon dioxide into gaseous carbon dioxide
C
Carbon dioxide into carbon monoxide
D
Sudden conversion of gaseous carbon dioxide into carbon monoxide
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