1) What is do we call it when an oceanic tectonic plate gets pushed below a continental one? a) Distillation b) Divergence c) Subduction d) Sublimation e) Earthquake 2) Which type of magma is a thick liquid that is often explodes out of a volcano? a) silica rich b) iron rich c) heat rich d) gold rich 3) Which is the correct order, hardest first? a) limestone, granite, marble b) marble, granite, limestone c) limestone, marble, granite d) granite, marble, limestone e) granite, limestone, marble f) marble, limestone, granite 4) Which two metals is the core mainly made from? a) Iron and Steel b) Iron and Copper c) Iron and Nickel d) Copper and Nickel e) Copper and Gold 5) Where are most volcanoes found? a) In the sea b) In the middle of tectonic plates c) On land d) At the edges of tectonic plates e) On mountains 6) Which is denser? a) Continental Plates b) Oceanic Plates 7) Tectonic plates move because they are being pushed around by: a) Brownian motion b) Winds c) Convection currents d) Alternating current e) Gravity 8) Which type of rock is formed by magma or lava cooling? a) Limestone b) Sedimentary c) Marble d) Igneous e) Metamorphic 9) Magma that cools down inside the earth to form rock will have: a) no crystals b) small crystals c) large crystals d) layers 10) Which raw material is used to make cement? a) limestone and clay b) sand c) iron and carbon d) granite 11) Calcium Carbonate thermally decomposes to make: a) calcium and water b) calcium and carbon dioxide c) calcium oxide and carbon d) calcium oxide and carbon dioxide e) calcium oxide and water 12) Reinforced concrete is an example of a: a) carbon neutral material b) composite material c) aggregate material d) combustion material e) thermal material 13) The ore of copper is called: a) Bauxite b) Haemotite c) Malachite d) Wurtzite 14) The reaction of copper ore with carbon is a: a) oxidation reaction b) thermal decomposition c) reduction reaction d) electrochemical reaction 15) When purifying copper, impure copper is placed at the: a) anode b) cathode 16) Which alloy is made from copper and tin? a) Steel b) Brass c) Nitinol d) Solder e) Bronze 17) Which alloy is made from lead and tin? a) Brass b) Bronze c) Solder d) Amalgam e) Steel 18) Which of these is an advantage of making a car out of aluminium? a) Doesn't rust b) Stronger c) More fuel efficient d) Magnetic e) Cheap 19) The chemical name for rust is: a) iron chloride b) magnesium oxide c) hydrated iron oxide d) dehydrated nickel carbonate e) acidified magnesium hydroxide 20) Metals are malleable because: a) they are dense b) they are silver c) they change shape when you hit them d) they shatter e) they conduct heat 21) Most of the ammonia produced in the Haber process is used to make: a) explosives b) plastics c) cleaning products d) nitric acid e) fertilisers 22) Which of these conditions are used in the Haber Process? a) 100⁰C, 2 atm, iron catalyst b) 300⁰C, 100 atm, iron catalyst c) 450⁰C, 200 atm, iron catalyst d) 700⁰C, 500 atm, iron catalyst e) 1000⁰C, 30 atm, iron catalyst 23) A low temperature gives a greater percentage yield of ammonia in the Haber Process. Why is a high temperature used? a) keeping it cool is expensive b) the reaction goes faster c) to help keep the pressure high 24) The chemical opposite of an acid is: a) an alcohol b) an alkali c) a base d) water 25) A chemical is considered an acid if it releases what when dissolved in water? a) gas b) H⁺ ions c) OH⁻ ions d) Cl⁻ ions 26) Litmus is added to a solution at pH 8. The litmus will turn: a) Purple b) Blue c) Green d) Yellow e) Red 27) Litmus was added to a solution at pH 6. What colour will it go? a) Purple b) Blue c) Green d) Yellow e) Red 28) Universal Indicator was put in a solution at pH 14. What colour will it go? a) Purple b) Blue c) Green d) Yellow e) Red 29) Universal indicator was put in a solution at pH 6. What colour will it go? a) Purple b) Blue c) Green d) Yellow e) Red 30) If you react sulphuric acid with calcium hydroxide, you will get calcium sulphate and water. a) True b) False 31) If you react hydrochloric acid with potassium carbonate, you will get potassium sulphate, carbon dioxide and water. a) True b) False 32) The three elements most commonly put in fertilisers are: a) carbon, nitrogen and oxygen b) nitrogen, lithium and magnesium c) magnesium, iron, calcium d) potassium, nitrogen, phosphorus 33) When fertilisers get into rivers and lakes, they can cause: a) decomposition b) dehydration c) eutrophication d) hydrolysis 34) Fertilisers must be soluble in water because: a) they need to be absorbed through the plant's roots b) so they don't block the sun on the leaves c) so they don't damage the stem 35) Solution mining is: a) digging a hole until you find salt and sending machines to dig it up b) spraying the walls of a cave with water c) pumping water into the cracks of rocks 36) Electrolysing salt solution produces: a) hydrogen, oxygen and calcium carbonate b) hydrogen, chlorine and carbon dioxide c) hydrogen, sulphur and sodium hydroxide d) hydrogen, chlorine and sodium hydroxide 37) When electrolysing salt, hydrogen is made: a) at the anode b) at the cathode c) in the solution 38) Hydrogen can be used: a) to make soap b) to make plastics c) to make margarine d) as a chemical weapon 39) Chlorine can be used: a) as a fuel b) to purify drinking water c) to make soap d) as a food additive 40) A major problem in areas with a lot of salt mines is: a) subsidence b) unemployment c) earthquakes d) pollution e) crop failure

End of Unit Quiz

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