1
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Which one of the following allotropes of carbon is isomorphous with crystalline silicon?
A
Coke
B
Diamond
C
Graphite
D
Coal
2
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Which one of the following is the colour of hydrogen gas?
A
Light yellow
B
Orange
C
Black
D
Colourless
3
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Which one of the following is not a pigment?
A
Zinc oxide
B
Chalk
C
White lead
D
Silica
4
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Which one of the following statements about fertilizers is not correct?
A
Urea is a phosphorus-containing fertilizer.
B
Application of fertilizer to the soil increases fertility of the soil.
C
Urea can be prepared by action of ammonia and carbon dioxide under high pressure and at high temperature.
D
Urea contains more nitrogen than other fertilizers.