Question:
A metal reacts with oxygen to form a compound with high melting point. This compound is soluble in water. Which of the following elements can it be?
A metal reacts with oxygen to form a compound with high melting point. This compound is soluble in water. Which of the following elements can it be?
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Calcium oxide is basic in nature and forms calcium hydroxide when dissolved in water. This is a common property of alkaline earth metal oxides.
Updated On: Oct 28, 2025
- Silicon
- Carbon
- Calcium
- Iron
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The Correct Option is C
Solution and Explanation
Calcium reacts with oxygen to form calcium oxide, \( \text{CaO} \), which has a high melting point and is soluble in water. This compound reacts with water to form calcium hydroxide.
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