C1a 0.0 / 5 ? ChemistryGetting metals from rocksGCSEAQA Created by: ErinFranCreated on: 18-05-16 16:23 What does limestone thermally decompose to form? Calcium oxide and carbon dioxide 1 of 10 What is the atomic structure of Flourine? 2,7 2 of 10 What is ionic bonding? A metal loses electrons to a non-metal and the electromagnetic forces attract the atoms together. 3 of 10 Sulfur dioxide has what environmental issue? It causes acid rain. 4 of 10 Electrolysis is: Splitting up ionic compounds using electricity. 5 of 10 Bronze is an alloy of: Copper and tin 6 of 10 Why are alloys stronger and harder than pure metals? Different sized atoms disrupt the regular arrangement of atoms and so the layers cannot slide over each other. 7 of 10 What is the general formula for alkenes? CnH2n 8 of 10 What are the hyrocarbons with the longest chains called? Bitumen 9 of 10 What method is used to separate crude oil? Fractional distillation 10 of 10
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