Metals, Non-Metals, and Reactivity Order of Metals CDS Questions

CDS Chemistry

Metals, Non-Metals, and Reactivity Order of Metals MCQ Questions


7.
Which of the following is NOT considered a typical physical property of metals?
A.
Brittleness
B.
Good conductor of heat
C.
High melting point
D.
Metallic lustre
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ANSWER :
A. Brittleness
8.
The shiny appearance of freshly cut metal surfaces is referred to as:
A.
Metallic lustre
B.
Tensile strength
C.
Sonority
D.
Malleability
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ANSWER :
A. Metallic lustre
9.
Which non-metal, despite being a non-metal, shows the metallic property of lustre in its solid form?
A.
Sulphur
B.
Iodine
C.
Phosphorus
D.
Carbon (amorphous)
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ANSWER :
B. Iodine
10.
Which of the following non-metals is a good conductor of electricity, unlike most other non-metals?
A.
Phosphorus
B.
Iodine
C.
Sulphur
D.
Graphite
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ANSWER :
D. Graphite
11.
Diamond, an allotrope of carbon, is particularly well known for being:
A.
The hardest known natural substance
B.
The most malleable substance known
C.
The most ductile substance known
D.
The best conductor of electricity
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ANSWER :
A. The hardest known natural substance
12.
Solid non-metals, in general, tend to be:
A.
Sonorous like metals
B.
Good conductors of heat and electricity
C.
Brittle and break easily when hammered
D.
Malleable and ductile
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ANSWER :
C. Brittle and break easily when hammered