Metals and Non-metals · Class 10 · CBSE Science
An element 'X' reacts with oxygen to form a compound with a high melting point. This compound is also soluble in water. The element 'X' is likely to…
Practice question from Metals and Non-metals (Class 10 · CBSE Science), with the correct answer and a step-by-step solution.
medium · MCQ · Q-027FFE
An element 'X' reacts with oxygen to form a compound with a high melting point. This compound is also soluble in water. The element 'X' is likely to be:
- A.Iron
- B.CalciumCorrect answer
- C.Carbon
- D.Silicon
Solution
Calcium is a metal that reacts with oxygen to form calcium oxide, an ionic compound with a high melting point that is soluble in water. Carbon and silicon form covalent oxides, while iron oxide is insoluble in water.
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