CSEC Chemistry · May/June 2016 · Paper 1 · Question Q26
2.32 g of an oxide of iron were heated in dry hydrogen. When the reaction was completed, 1.68 g of iron were formed.
[RAM: \text{Fe} = 56; \text{O} = 16]
The oxide of iron was
- (A)reduced
- (B)oxidized
- (C)neutralized
- (D)decomposed
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