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a) H2SO4 ANSWER: H: +1 S: +6 O: -2 b) N2 ANSWER: N: 0 (all elements not within a compound have an oxidation number of 0 eg I2, O2, K) c) NH4GBAnswered by Georgia B. • Chemistry tutor2696 Views
GSCE examiners want to see a progression of thought and evidence of argument within these questions. Therefore the best way to tackle this would be to use connective words such as 'the fact that'.......'m...
An Oxbow lake is a middle-course feature of a river which is caused water eroding the corner of a meander, resulting in an isolated corner containing a body of water. This happens as the velocity of the w...
The easiest ways to distinguish yourself with these sorts of questions is to keep your approach entirely thematic, avoiding any sense of chronology or order. It's all too easy to slip into analysing a tex...
The legal definition of a monopoly is, any firm within an industry which possesses more than 25% market share. This can give an insight into how a 'monopoly' firm behaves, compared to firms in other forms...
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