Chemistry Mock Retest 0.0 / 5 ? ChemistryMock retest general topicsGCSEAQA Created by: livkellCreated on: 01-02-18 19:17 Predict the boiling point of bromine +30-+120 1 of 12 What is the colour of the chlorine and potassium iodide reaction Brown 2 of 12 Ionic equation of chlorine and potassium iodide reaction 2I^-+Cl2 ---> I2+2CL^- 3 of 12 Why does potassium iodide conduct electricity Contains ions that can move 4 of 12 What are the products of electrolysing potassium iodide solution Hydrogen iodide 5 of 12 Why is the ball and stick representation not a true representation of the potassium sulphide structure No gaps between the potassium ions and sulphide ions 6 of 12 Calculate the RFM of aluminium sulphate 342 7 of 12 Suggest one safety precaution a student should take in a practical wear safety specs 8 of 12 Calculate the mass of copper carbonate with 11g of copper chloride 134.5 9 of 12 Calculate the percentage of copper chloride actually produced 134.5/152.5=88.20% 10 of 12 Zn--->Zn^2++2e^- Why is this an oxidation reaction The zinc loses electrons 11 of 12 Word equation that takes place in a hydrogen cell Hydrogen+oxygen=Water 12 of 12
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