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Metals and Non-Metals — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
MCQ
An element is soft and can be cut with a knife. It is very reactive and cannot be kept open in the air. It reacts vigorously with water. The element is most likely to be:
  • A
    $Mg$
  • B
    $S$
  • C
    $P$
  • ✓
    $Na$
✓

Answer

Correct option: D.
$Na$
$Na$ is soft and can be cut with a knife. It is very reactive and cannot be kept in open air. It reacts vigorously with water.

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