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Card 6
Front
When sodium chloride solution is electrolysed a gas is produced at each electrode. What is the name of the gas produced at the negative electrode?
Back
Card 7
Front
What is the name of the gas produced at the positive electrode?
Back
Card 8
Front
Suggest one use for the gas produced at the positive eletrode.
Back
Card 9
Front
Explain why sodium hydroxide is left in solution at the end of the reaction.
Back
Card 10
Front
The diagram shows a cell used to extract aluminium from aluminium oxide. Explain why the aluminium oxide is dissolved in molten cryolite.
Back
Card 11
Front
The positive eletrode is made out of carbon. Explain why it will need to be replaced over time.
Back
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