Science Quiz / iGCSE Electrolysis Quiz

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Can you name these iGCSE Electrolysis terms?

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HintAnswer
The negative electrode
The positive electrode
Gaining electrons
A charged atom
The solution being split which conducts an electric current
What happens to iodine ions at the positive electrode
The extra ions present in an aqueous solution
A sodium chloride solution
The process of coating objects in metal to protect or improve appearance
The gas produced from the positive electrode in the electrolysis of aluminium oxide
HintAnswer
What half equations show
The substance added to aluminum oxide to lower the melting point
Splitting ionic substances into their elements using electricity
The list of substances in order of their reactivity
The compound formed during the electrolysis of a sodium chloride solution
An allotrope of carbon, where each atom is bonded to three others
A positive ion
In a mixture, at the positive electrode, the products formed will be either oxygen or a
Molecules made of two atoms such as chlorine or oxygen
A substance formed chemically joining two or more different types of atoms

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