1
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following statements regarding cathode rays is not correct?
A
Cathode ray particles are electrons.
B
Cathode ray particles starts from anode and move towards cathode.
C
In the absence of electrical and magnetic fields, cathode rays travel in straight lines.
D
Television picture tubes are cathode ray tubes.
2
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A very large volume of hydrogen can be accommodated by making
A
non-metallic hydrides
B
hydrogen peroxide
C
non-stoichiometric hydrides
D
alkali metals hydrides
3
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is not a monoatomic element?
A
Copper
B
Helium
C
Iodine
D
Barium
4
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following represents is the correct order of electron releasing tendency of metals?
A
Zn > Cu > Ag
B
Ag > Cu > Zn
C
Cu > Zn > Ag
D
Cu > Ag > Zn
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