Double Chemistry 0.0 / 5 ? ChemistryGeneralGCSEAQA Created by: TheMemeMachineCreated on: 11-05-17 21:32 How is low density polyethene formed? High pressure and a trace of oxygen. 1 of 7 How is high density polyethene formed? Catalyst at 50C and a raised pressure. 2 of 7 What is true about isotopes? Mass number is different, atomic number is the same. 3 of 7 Acid + Metal = ? Salt + Hydrogen 4 of 7 What is the name of the reaction of an acid and a metal carbonate? Neutralisation 5 of 7 At the positive electrode, which substances form first? Halides 6 of 7 At the negative electrode, which substances form first? The least reactive 7 of 7
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