Made for the New GCSE AQA Chemistry spec to be sat Summer 2018.
Uses a class practical of Electrolysing Sodium Chloride solution with damp blue litmus to test for the production of Chlorine.
Having done simple ionic compounds in a previous lesson, most students will already predict this correctly, but will notice that a prediction of Sodium forming does not occur and they should use their previous knowledge to suggest plausible reasons why. Some may need a little more scaffolding questioning to aid them in this.
Uses a class practical of Electrolysing Sodium Chloride solution with damp blue litmus to test for the production of Chlorine.
Having done simple ionic compounds in a previous lesson, most students will already predict this correctly, but will notice that a prediction of Sodium forming does not occur and they should use their previous knowledge to suggest plausible reasons why. Some may need a little more scaffolding questioning to aid them in this.
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