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An element reacts with oxygen to give a ...

An element reacts with oxygen to give a compound with a high melting point.This compound is also solutble in water.the element is likely to be:

A

calcium

B

carbon

C

silicon

D

iron

Text Solution

Verified by Experts

The correct Answer is:
A
calcium
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Knowledge Check

  • Element with highest melting and boiling point is

    A
    hydrogen
    B
    helium
    C
    nitrogen
    D
    none of these

  • Element X forms a chloride with the formula XCl_2 , which is a solid with a high melting point. X would most likely be in the same group of the Periodic Table as

    A
    Na
    B
    Mg
    C
    AI
    D
    Si

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    An alkali metal A gives a compound B on reacting with water. The compound B gives a soluble compound C on treatment with aluminium oxide. Identify A,B and C and give the reactions involved.

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