Obtaining and Using Metals Click to start Question 1 Which pair of metals can be found in the ground as uncombined elements? Aluminium and Copper Sodium.

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Presentation transcript:

Obtaining and Using Metals Click to start

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 polymerAn 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 oreA polymer MetallicAn 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? GoldIron 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 ElectrolysisFiltration

Wrong Answer!

Question 10 Which of the following is classed as a smart alloy? Stainless SteelNitinol BrassGold

Wrong Answer!

Congratulations!