1
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
A block of wood 40 cm × 20 cm × 10 cm) is kept on a tabletop in three different positions: (a) with its side of dimensions 20 cm × 10 cm; (b) with its side of dimensions 10 cm × 40 cm; and (c) with its side of dimensions 40 cm × 20 cm. The pressure exerted by the wooden block on the tabletop in these positions is represented by PA, PB and Pc, respectively. The pressure follows the trend
A
PA > PB > Pc
B
PA < PB < Pc
C
PA = PB = Pc
D
PA < PB = Pc
2
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following metals can be extracted using carbon as reducing agent?
A
Zinc
B
Silver
C
Gold
D
Aluminum
3
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which among the following is NOT true with respect to colloidal solution?
A
Particles are uniformly distributed throughout the solution
B
Colloidal solution is homogenous in nature
C
They show Tyndal effect
D
They do not settle down when kept undisturbed
4
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Kerosene and petrol mixture can be best separated by
A
Sublimation
B
Separating funnel
C
Fractional distillation
D
Compressing and cooling
EXAM MAP