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Metals and Non-Metals — Science STD 10 — Question

CBSE 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
  • D
    Na
✓

Answer

  1. Na

Explanation:

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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