| 31. | Their oxidising power decreases as one descends the group.
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| 32. | Others take free ammonium and oxidise it to nitrate.
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| 33. | There is some confusion about whether the oxidised manganese is tetravalent or trivalent.
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| 34. | The sands are coloured due to oxidised iron compounds formed under different conditions.
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| 35. | The ammonium ions are not involved in the oxidising reactions of this salt.
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| 36. | Ceric ammonium nitrate is used as an oxidising agent to destroy in spills.
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| 37. | Hydrolysable tannins are more easily oxidised than condensed tannins.
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| 38. | When a secondary alcohol is oxidised, it is converted to a ketone.
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| 39. | They are ammonium oxidising bacteria found in marine environments.
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| 40. | It is sulfate-reducing and tyrosol-oxidising.
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