1
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following substances is not a mixture?
A
Tin
B
Sea water
C
Soil
D
Air
2
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is termed as 'dry ice'?
A
Ice present in ice-cream
B
Solid water at Antarctica
C
Solid state of carbon dioxide
D
Solid water of ionosphere
3
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Net movement of water from a dilute to a concentrated solution through a selectively permeable membrane is called
A
Diffusion
B
Dispersion
C
Osmosis
D
Absorption
4
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.
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