Find the formula of ammonium sulphate. [3 MARKS]

Question -

Options:

Answer: Option A
:

Each point: 1 Mark
1. Charge on ammonium( ${N H_{4}}^{+}$ ) is +1

2. Charge on sulphate( ${S O_{4}}^{2 -}$ ) is -2

3. By cross over charges to balance charges

$(N H_{4})_{2} S O_{4}$ .

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