1
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following oxides dissolve in water?
A
CuO
B
Al2O3
C
Fe2O3
D
Na2O
2
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Matter around us can exist in three different states namely, solid, liquid and gas. Correct order of their compressibility is
A
liquid < gas < solid
B
solid < liquid < gas
C
gas < liquid < solid
D
solid < gas < liquid
3
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its melting point. The melting point of a solid is an indication of
A
strength of the intermolecular forces of attraction
B
strength of the intermolecular forces of repulsion
C
molecular mass
D
molecular size
4
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following elements will not react with dilute HCl to produce H2 ?
A
Hg
B
Al
C
Mg
D
Fe
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