Chemistry · May / June 2023 · Paper 21 · Question 1
5070
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Choose from the following oxides to answer the questions. Al2O3 CO CO2 CaO Fe2O3 H2O Na2O SO2 SiO2 Each oxide may be used once, more than once or not at all. State which oxide:
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1(a)[1]
1(b)[1]
1(c)[1]
1(d)[1]
1(e)[1]
1(f)[1]
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