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Materials metals and non-metals — Science STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8ScienceMaterials metals and non-metals1 Mark
MCQ
The element whose oxide will turn red litmus solution to blue will be:
  • ✓
    Sodium
  • B
    Sulphur
  • C
    Carbon
  • D
    Phosphorus
✓

Answer

Correct option: A.
Sodium
Metals react with oxygen to form metallic oxides. These metallic oxides are basic because they react with water to form bases. Sodium is a metal; its oxide will be basic in nature and it will turn red litmus solution to blue.

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