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eymmcl2003 12345 6789101112 1314151617

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eymmcl2003 1 Are metals finite or infinite resources? answer finite

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eymmcl2003 gold, silver, copper answer 2 Name a metal found uncombined in the Earth’s crust

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eymmcl2003 Give a property of metals Conduct electricity Conduct heat Strong Malleable Ductile answer 3

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eymmcl2003 Which metal is extracted from its ore in a Blast Furnace? answer 4 iron

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eymmcl2003 What is produced when a metal reacts with oxygen ? Metal oxide answer 5

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eymmcl2003 Give an example of a metal obtained from its ore by electrolysis Mg, Al, Na, K, Li answer 6

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eymmcl2003 Name the products of the reaction between sodium and water answer 7 sodium hydroxide and hydrogen

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eymmcl2003 Which type of reaction takes place when a metal is extracted from its compound (ore)? reduction answer 8

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eymmcl2003 Name the products of the reaction between zinc and dilute sulphuric acid zinc sulphate and hydrogen gas answer 9

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eymmcl2003 What is an alloy? Mixture of metals or metals with non-metals answer 10

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eymmcl2003 Name a metal which does NOT react with dilute acid silvercoppergold answer 11

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eymmcl2003 Identify the two alloys brass, iron, copper, steel brasssteel brass and steel answer 12

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eymmcl2003 Calculate the percentage mass of potassium in potassium sulphide K 2 S 1 mol of K 2 S = (2 x 39) + 32 = 110 Mass of K = 78/110 x 100 = 71% answer 13

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eymmcl2003 Give the family name for Group 1 metals? Alkali metals answer 14 Na K Li Cs

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eymmcl2003 What is a displacement reaction ? A metal high in the electrochemical series displaces ions of a metal lower in the series from its solution A metal high in the electrochemical series displaces ions of a metal lower in the series from its solution answer 15

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eymmcl2003 Is this ion-electron equation an example of or ? Cu 2+ + 2e Cu Is this ion-electron equation an example of reduction or oxidation ? Cu 2+ + 2e Cu reduction answer 16

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eymmcl2003 Is this ion-electron equation an example of reduction or oxidation ? 2Cl - Cl 2 + 2e oxidation answer 17

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