Metals and their uses 0.0 / 5 ? ChemistryMetals, metal ores and alloysGCSEAQA Created by: Sam EvansCreated on: 19-05-14 20:59 What is the name for rock that is mined from which metal can be extracted? An ore 1 of 8 Why is gold found in the earth as the metal Its is very unreactive 2 of 8 What are the typical properties of transition metals? Strong, good conductors of heat and elcricity, can be bent and hammered into shape 3 of 8 Explain why most of the metals we use are not pure elements Most pure metals are soft and need to be made into an alloy to make them harder 4 of 8 Name three different types of steel and give an important property for each one Low carbon steel - easily shaped, high carbon steel - hard, stainless steel - resists corrosion 5 of 8 Explain why all steels are alloys All steels contain iron and carbon 6 of 8 Giv ethree properties that make aluminium a useful metal Low density, can be bent into shape and good conductor of electricity and heat 7 of 8 Give three reasons why titanium is expensive Extraction needs several stages, uses large amount of energy, uses a very reactive metal 8 of 8
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