Chemistry · May / June 2020 · Paper 21 · Question 1
5070
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Choose from the following oxides to answer the questions. calcium oxide carbon monoxide copper(II) oxide nitrogen dioxide nitrogen monoxide silicon dioxide sulfur dioxide water zinc oxide Each oxide may be used once, more than once or not at all. Which oxide:
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1(a)[1]
1(b)[1]
1(c)[1]
1(d)[1]
1(e)[1]
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