1
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
For manufacturing of glass, which among the following is used as a source of silica?
A
Fine clay soil
B
Wood powder
C
Coconut shell
D
Sand
2
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
3
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
4
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
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