Important Alloys and Their Components CDS Questions

CDS Chemistry

Important Alloys and Their Components MCQ Questions


13.
Which alloy is used for making coins and medals?
A.
Bronze
B.
Brass
C.
Steel
D.
Amalgam
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ANSWER :
A. Bronze
14.
What is the primary use of an alloy called solder?
A.
Making tools
B.
Welding metals
C.
Manufacturing jewellery
D.
Making pipes
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ANSWER :
B. Welding metals
15.

 Which of the following alloys is used in electrical heating element?

A.

Brass

B.

Bronze

C.

Copper-tin alloy

D.

Nichrome

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ANSWER :

D. Nichrome

16.
Which property makes alloys preferable over pure metals?
A.
Lower density
B.
Better conductivity
C.
Improved strength and resistance
D.
Higher melting point
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ANSWER :
C. Improved strength and resistance
17.
Which alloy is primarily used in dental fillings?
A.
Steel
B.
Brass
C.
Amalgam
D.
Pewter
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ANSWER :
C. Amalgam
18.
Which of the following alloys contains tin as a major component?
A.
Brass
B.
Bronze
C.
Steel
D.
Nichrome
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ANSWER :
B. Bronze