The diagram above Y is - JAMB Chemistry 2017 Question
A
fused CaO
B
H2O
C
NaOH
D
Concentrated H2SO4
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Correct Option: D
In the preparation of sulphur dioxide by the action of dilute acids on sulphates and bisulphites. conc H2SO4 helps to release SO2 from the mixture.
The setup represents the production of sulphur dioxide
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