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All Saints SecondaryStandard Grade ChemistryTopic 11 Homework -MetalsTopic 11 Homework –Metals General Level1.Gold and silver are both used to make jewellery.Identify the two statements which are true for both gold and silver. You may wish to use the data booklet to help you.2 marks (PS)2.Many different reactions take place in a blast furnace.Identify the reaction in which a reactant anda product are elements.AC+O2CO2BCO2+ C2C0CCaCO3Ca0 + CO2D2Fe203+ 3C4Fe + 3C02EFe203+ 3C02Fe + 3C021 mark (PS)3.The surface of the planet Mercury has a temperature of 510°C.a space probe sent to study the surface of the planet would need to be made of metals which would not melt at this temperature.ABCaluminiumcopperironDEFnickeltinzincIdentify the twometals which could not be used in this probe. You may wish to use page 3 of your data booklet to help you.1 mark (PS)ATheyare alkali metals.BTheyconduct electricity.CTheyare more reactive than copper.DTheyreact with dilute hydrochloric acid.ETheyare found uncombined in the Earth's crust.
All Saints SecondaryStandard Grade ChemistryTopic 11 Homework -Metals4.Gold and silver are both used to make jewellery.Identify the statement(s) which are true for both gold and silver.ATheyare not transition metals.BTheyconduct electricity.CTheyare found uncombined in the Earth's crust.DTheyreact with dilute hydrochloric acid.ETheyare more reactive than copper.1 mark (PS)5.Metals and their compounds take part in many reactions.AFe203+ 3C02 Fe + 3CO2B2Mg + Si022Mg0 + SiCCuC03Cu0 + CO2D2Zn + O22Zn0(a)Identify the reaction which takes place in the blast furnace.1 mark (PS)(b)Identify the reaction which produces a non-metal element.1 mark (KU)6.Wilma investigated the reaction of the metals R, S and T with water.(a)Place the metals in order of reactivity (most reactive first).1 mark (PS)(b)Identify a variable that Wilma would have kept constant. 1 mark (PS)(c)Why is it unsafe to use potassium metal in this experiment?1 mark (PS)(d)How would Wilma test the gas to show that it was hydrogen?1 mark (KU)metal Rmetal Smetal T
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