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Metals and Non-Metals — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
MCQ
The elements whose oxides can turn litmus solution red are:
  • A
    Lithium and sodium.
  • B
    Copper and potassium.
  • C
    Carbon and hydrogen.
  • ✓
    Phosphorus and sulphur.
✓

Answer

Correct option: D.
Phosphorus and sulphur.
Phosphorus and sulphur are non-metals whose oxides are acidic in nature. These oxides turn blue litmus solution to red.

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