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  • An element 'X' reacts with O2 to give a compound with a high melting point. This compound is also soluble in water. The element 'X' is likely to be: Option: 1 iron Option: 2</stro

An element 'X' reacts with O2 to give a compound with a high melting point.
This compound is also soluble in water. The element 'X' is likely to be:
Option: 1 iron
Option: 2 calcium
Option: 3 carbon
Option: 4 silicon

Answers (2)

The element ‘X’ is likely to be Calcium because it reacts with oxygen and forms calcium oxide which has a high melting point and is soluble in water too.

Therefore it satisfies all the conditions given in the question.

Hence, option B is correct 

Posted by

Safeer PP

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Calcium reacts with o2 to give cuo which is soluble in water.

Posted by

Jenil

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