1) The preparation of copper sulphate. Which word applies to stage 3? a) evaporation b) dissolving c) filtration d) crystallisation 2) Which two chemicals can be used to make magnesium sulphate? a) magnesium hydroxide and nitric acid b) magnesium oxide and hydrochloric acid c) magnesium oxide and sulphur dioxide d) magnesium carbonate and sulphuric acid 3) Which is used in fireworks to give a bright white effect? a) calcium b) magnesium c) sodium d) copper 4) Which of the following statements is generally TRUE about metallic and non-metallic elements of the Periodic Table? a) solid non-metallic elements are weak or brittle b) metallic elements are not easily bent into shape c) non-metallic have high boiling points d) metallic elements have a low density 5) Which of the following elements is a strong metal used to make steel for cans? a) copper b) magnesium c) gold d) iron 6) If one wanted to separate a mixture of sand and brine (salt solution) into the three components, sand, salt and pure water, the following series of techniques should be used in the order given, a) Boiling, filtration, condensation b) Filtration, boiling c) Distillation, crystallisation d) Filtration, distillation 7) What is the change of state from liuid to gas known as? a) Sublimation b) Evaporation c) Distilation d) Boiling 8) When a lighted splint was applied to a test tube of gas, a squeaky pop was heard and a small orange flame produced. What was the most likely identity of the gas? a) oxygen b) nitrogen c) hydrogen d) herlium 9) Which four numbers a, b, c and d are required to balance the equation? a CuO(s) + b H2SO4(aq) ==> c CuSO4(aq) + d H2O(l) a) 1111 b) 1412 c) 2212 d) 1211 10) Magnesium oxide and magnesium carbonate are similar white powders which are slightly soluble in water. Which of the following provides a simple observation to clearly distinguish them? a) heat in a bunsen flame b) examine under a microscope c) add dilute acid d) mix with universal indicator solution 11) What is the area of the periodic table labelled 3? a) transition metals b) noble gases c) earth metals d) halogens 12) What is the are of the periodic table labelled 5? a) transition metals b) noble gases c) earth metals d) halogens 13) What numebr of the periodic table is zinc in? a) 1 b) 2 c) 3 d) 4 e) 5 14) What numebr of the periodic table is xenon in? a) 1 b) 2 c) 3 d) 4 e) 5 15) What numebr of the periodic table are the halogens found? a) 1 b) 2 c) 3 d) 4 e) 5 16) Where in the Periodic Table are you most likely to find an element that shows catalytic properties? a) 1 b) 2 c) 3 d) 4 e) 5 17) Four electron arrangements are given. Which is of an element in Group 5 of the Periodic Table? a) 2.8.8 b) 2.7 c) 2.8.8.1 d) 2.5 18) Four electron arrangements are given. Which is a Noble Gas? a) 2.8.8 b) 2.7 c) 2.8.8.1 d) 2.5 19) Which of the electron arrangements corresponds to a metal in Group 3 of the Periodic Table? a) A b) B c) C d) D 20) Which electron arrangement corresponds to two very reactive metallic elements of the Periodic Table? a) B and D b) A and B c) A and D d) C and D 21) Which of the following is a neutralisation reation? a) NaOH(aq) + HCl(aq) => NaCl(aq) + H2O(l) b) CH4(g) + 2O2(g) => CO2(g) + 2H2O(l) c) C6H12O6(aq) ==> 2C2H5OH(aq) + 2CO2(g) d) CaCO3(s) => CaO(s) + CO2(g) 22) Which of the following corresponds to the haber synthesis? a) 2CO (g) + 2NO (g) ==> 2CO2 (g) + N2 (g) b) N2 (g) + 3H2 (g) ==> 2NH3 (g) c) CaCO3 (s) => CaO (s) + CO2 (g) d) 2SO2 (g) + O2 (g) ==> 2SO3 (g) 23) Which description means an endothermic reaction? a) heat is taken in by the reaction b) heat is given out by the reaction c) the reaction continues in both directions but no concentrations change d) the reaction readily changes direction if the conditions are changed 24) Which of the following reactions is a 'cracking' reaction? a) copper(II) oxide + sulphuric acid => copper(II) sulphate + water b) aluminium + iron(III) oxide => aluminium oxide + iron c) hexane => ethene + butane d) calcium hydroxide + carbon dioxide => calcium carbonate + water 25) Which of the following reactions is a 'precipitation' reaction? a) Ca(OH)2(aq) + CO2(g) => CaCO3(s) + H2O(l) b) CuO(s) + H2SO4(aq) => CuSO4(aq) + H2O(l) c) C6H14(g) => C2H4(g) + C4H10(g) d) 2Al(s) + Fe2O3(s) => 2Fe(s) + Al2O3(s)

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