1
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following metal is NOT an essential component in stainless steel?
A
Iron
B
Nickel
C
Chromium
D
Tin
2
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language

Match List I with List II and select the correct answer using the code given below the Lists:

LIST I

(Process)

LIST II

(Separation method)

A.

Separation of acetone and water from their mixture

1.

Chromatography

B.

Separation of water
and kerosene oil
from their mixture

2.

Centrifugation

C.

Separation of cream from milk

3.

Distillation

D.

Separation of pigments from plant extract

4.

Separating Funnel

A
A - 3, B - 2, C - 4, D - 1
B
A - 4, B - 2, C - 1, D - 3
C
A - 3, B - 4, C - 2, D - 1
D
A - 4, B - 1, C - 2, D - 3
3
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
4
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
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