Important Alloys and Their Components CDS Questions

Important Alloys and Their Components MCQ Questions

1.

Fill in the blank:
________ is a homogeneous mixture of two or more metals, or a metal and a non-metal.

A.

An alloy

B.

A compound

C.

A molecule

D.

An oxide

ANSWER :

A. An alloy

2.

Match the following properties with metals:

List I List II
1) Sonority a.) Makes sound when struck
2) Ductility b.) Drawn into wires
3) Malleability c.) Beaten into sheets
4) Conductivity d.) Conducts heat and electricity
A.

1-a, 2-b, 3-c, 4-d

B.

1-d, 2-c, 3-b, 4-a

C.

1-b, 2-d, 3-a, 4-c

D.

1-c, 2-a, 3-d, 4-b

ANSWER :

A. 1-a, 2-b, 3-c, 4-d

3.
Which of the following is an amphoteric oxide?
A.
Calcium oxide
B.
Magnesium oxide
C.
Zinc oxide
D.
Sodium oxide
ANSWER :
C. Zinc oxide
4.
Which metal is known to have the highest melting point among common metals?
A.
Iron
B.
Tungsten
C.
Gold
D.
Silver
ANSWER :
B. Tungsten
5.
What is the primary metal used in the production of stainless steel?
A.
Copper
B.
Aluminium
C.
Iron
D.
Zinc
ANSWER :
C. Iron
6.
Identify the noble metal from the following:
A.
Gold
B.
Iron
C.
Copper
D.
Aluminium
ANSWER :
A. Gold