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

Gujarat BoardEnglish MediumSTD 8ScienceMaterials : Metals and Non-Metals1 Mark
MCQ
Generally metallic oxides are basic and non-metallic oxides are acidic in nature. Solution of which of the following oxides in water will change the colour of blue litmus to red?
  • ✓
    Sulphur dioxide.
  • B
    Magnesium oxide.
  • C
    Iron oxide.
  • D
    Copper oxide.
✓

Answer

Correct option: A.
Sulphur dioxide.
A.  Sulphur dioxide.
Explanation:
Sulphur is a non-metal and it forms an acidic oxide, i.e. sulphur dioxide $(SO_2)$ which turns blue litmus red.

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