Lesson
Lesson-5.1.9- Describe, in outline, the manufacture of: ??? aluminium from pure aluminium oxide in molten cryolite ??? chlorine, hydrogen and sodium hydroxide from concentrated aqueous sodium chloride.
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Lesson-4.1.1- Use the symbols of the elements and write the formulae of simple compounds ??? Deduce the formula of a simple compound from the relative numbers of atoms present.PreviousLesson-5.1.8- Describe the production of electrical energy from simple cells, i.e. two electrodes in an electrolyte.Next