Chemistry
Select from A, B, C –
A: Sodium hydroxide solution.
B: A weak acid.
C: Dilute sulphuric acid.
The solution which liberates sulphur dioxide gas, from sodium sulphite.
Sulphuric Acid
Answer
Dilute sulphuric acid
Na2SO3 + H2SO4 [dil.] ⟶ Na2SO4 + H2O + SO2
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Related Questions
Give the equation for:
(i) Heat on sulphur with conc. H2SO4
(ii) Reaction of - sugar with conc. H2SO4
Give a balanced equation for the conversion of zinc oxide to zinc sulphate.
State your observation when – Sugar crystals are added to conc. sulphuric acid.
Choose the correct answer from the choices:
The gas evolved when dil. sulphuric acid reacts with iron sulphide.
A: Hydrogen sulphide
B: Sulphur dioxide
C: Sulphur trioxide
D: Vapour of sulphuric acid.