IGCSE Chemistry 0971/11/M/J/21 Q31

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31 Which row describes the uses of sulfur and sulfur dioxide?
sulfur   sulfur dioxide
A extraction of aluminium   food preservative
B extraction of aluminium   manufacture of cement
C manufacture of sulfuric acid   food preservative
D manufacture of sulfuric acid   manufacture of cement

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Answer ( 1 )

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    2022-07-08T12:25:32+08:00

    Ans: C

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