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Metals and Non-Metals — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
Question
An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be:
  1. Calcium.
  2. Carbon.
  3. Silicon.
  4. Iron.
✓

Answer

  1. Calcium.

Explanation:

Calcium reacts with oxygen to form calcium oxide with a high melting point. This compound is also soluble in water.

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