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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 phenolphthalein solution pink are :
  • ✓
    $\ce{Na}$ and $K.$
  • B
    $K$ and $C.$
  • C
    $\ce{Na}$ and $S.$
  • D
    $K$ and $P.$
✓

Answer

Correct option: A.
$\ce{Na}$ and $K.$
Because $\ce{Na}$ and $K$ are metals whose oxides are basic in nature, which can turn phenolphthalein solution pink.

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