Obtaining and Using Metals

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Question 1

• Which pair of metals can be found in the ground as uncombined elements?

Aluminium and Copper

Sodium and Magnesium

Gold and Platinum

Iron and Silver

Wrong Answer!

An alloy

Question 2

• A rock which contains enough metal to be economically viable to extract is called…

A polymer An ore

Metallic

Wrong Answer!

Question 3

• By which process is iron extracted from iron oxide on an industrial scale?

Reduction with carbon

Filtration

EvaporationElectroysis

Wrong Answer!Explanation or correct answer here

Question 4

A mixture of metals is called…

An ore A polymer

Metallic An alloy

Wrong Answer!

Question 5

• Bronze is…

A mixture of copper and tin

An element

A compound of iron and tin

A mixture of iron and zinc

Wrong Answer!

Question 6

Which one of the following metals is ideal for use in making aircraft frames?

Gold Iron

copperAluminium

Wrong Answer!

Question 7

• When compared to iron, stainless steel is…

Softer but less brittle

Stronger and more corrosion resistant

Softer and more brittle

Exactly the same in terms of physical properties

Wrong Answer!

Question 8

• Aluminium is very resistant to corrosion because it…

Has an oxide layer, which protects the metal

Is a very unreactive metal

Is above iron in the reactivity series

Is shiny and lightweight

Wrong Answer!

Question 9

• By which process is aluminium extracted from aluminium oxide on an industrial scale?

Reduction with carbon or a carbon compound

Evaporation

Electrolysis Filtration

Wrong Answer!

Question 10

• Which of the following is classed as a smart alloy?

Stainless Steel Nitinol

BrassGold

Wrong Answer!

Congratulations!