1
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The setting time of cement is lowered by adding
A
oxides of aluminium
B
gypsum
C
oxides of magnesium
D
silica
2
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Emulsion is known as a
A
colloidal solution of substances having different physical states
B
true solution
C
distillation mixture for making alcohols
D
colloidal solution of two liquids
3
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If one mixes up ashes with animal fat, the substance received in the crude form is called
A
pheromone
B
soap
C
cement
D
concrete
4
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following gases give acidic solution on dissolving in water?
A
Hydrogen
B
Carbon dioxide
C
Nitrogen
D
Oxygen
Questions Asked from Marks 2.5