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Materials : Metals and Non-Metals — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceMaterials : Metals and Non-Metals1 Mark
MCQ
How do we get sulfuric acid?
  • A
    When sulphur burns in acidic air.
  • B
    When sulphur burns under acidic water.
  • ✓
    When ash of sulphur dissolve in water.
  • D
    When hydrogen and oxygen both reacts with sulphur.
✓

Answer

Correct option: C.
When ash of sulphur dissolve in water.
The product formed in the reaction of sulphur and oxygen is sulphur dioxide gas. When sulphur dioxide is dissolved in water sulphurous acid is formed. The sulphurous acid turns blue litmus paper red. Generally, oxides of non-metals are acidic in nature.

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