Chemical reactions 3: Oxidation and displacement 1 Name the product for each of the following reactions
[2 marks]
a. copper reacts with oxygen
________________________
b. iron reacts with oxygen
________________________
2 Complete the following sentences. Use words from the box. displaced
element oxide
less oxygen
metal reacted
[5 marks]
more
During oxidation, elements react with ________________. When a metal is oxidised, it becomes a metal ________________. During displacement reactions, a ________________ reactive element takes the place of a ________________ reactive element. The less reactive element is ________________. 3 Identify which of the following are oxidation reactions and which are displacement reactions a. aluminium + oxygen Type of reaction
aluminium oxide
________________________
b. aluminium oxide + potassium Type of reaction
potassium oxide + aluminium
________________________
c. potassium + oxygen Type of reaction
[3 marks]
potassium oxide
________________________ Total marks ______ /10
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Chemistry
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