11th Class Chemistry The s-Block Elements / s-ब्लॉक के तत्व Question Bank 11th CBSE Chemistry Alkali Metals

  • question_answer
    Magnesium oxide is used as a refractory material.

    Answer:

                    The lattice enthalpy of MgO is very high. Therefore, the oxide does not decompose even or strong heating i.e., its melting point is quite high. As a result, it can be used as a refractory material for the furnaces.


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