CAPE Chemistry Unit 2 · 2015 · Paper 1 · Question Q29
Which of the following compounds are the MAIN impurities in bauxite? I. Iron(III) oxide II. Lead oxide III. Silicon(IV) oxide IV. Calcium carbonate
- (A)I and III only
- (B)I and IV only
- (C)II and III only
- (D)II and IV only
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