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Metals and Metallurgy - SS2 Chemistry Past Questions and Answers - page 2

11

Which of the following properties is NOT typically associated with metals?

 

A

Ductility

 

B

Brittle

 

C

Electrical conductivity

 

D

Lustre

correct option: b
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12

Which metal is commonly used for electrical wiring due to its high electrical conductivity?

 

A

Iron

 

B

Aluminium

 

C

Copper

 

D

Lead

correct option: c
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13

Which property of metals allows them to be shaped into thin sheets?

 

A

Malleability

 

B

Hardness

 

C

Tensile strength

 

D

Conductivity

correct option: a
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14

Which metal is known for its high strength-to-weight ratio and is widely used in aerospace applications?

 

A

Titanium

 

B

Aluminium

 

C

Gold

 

D

Silver

correct option: a
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15

Which metal is used as a catalyst in the catalytic converters of automobiles to reduce harmful emissions?

 

A

Platinum

 

B

Nickel

 

C

Zinc

 

D

Chromium

correct option: a
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16

Which metal is highly resistant to corrosion and is commonly used in marine applications and water pipelines?

 

A

Iron

 

B

Aluminium

 

C

Zinc

 

D

Stainless steel

correct option: d
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17

Which metal is added to steel to improve its hardness and strength?

 

A

Aluminium

 

B

Copper

 

C

Nickel

 

D

Zinc

correct option: c
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18

Which metal is used in the production of batteries due to its ability to resist corrosion and efficiently conduct electricity?

 

A

Lithium

 

B

Sodium

 

C

Potassium

 

D

Calcium

correct option: a
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19

Which metal is widely used in the construction industry due to its low density, corrosion resistance, and strength?

 

A

Iron

 

B

Copper

 

C

Zinc

 

D

Aluminium

correct option: d
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20

Which property of metals allows them to be drawn into thin wires?

 

A

Ductility

 

B

Hardness

 

C

Elasticity

 

D

Conductivity

correct option: d
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