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

  • question_answer
    Sodium fire in the laboratory should not be extinguished by pouring water. Why?

    Answer:

                    Sodium reacts violently with water producing \[{{H}_{2}}\] gas which also catches fire. As a result, the fire spreads rather than being extinguished. Therefore, \[{{H}_{2}}O\] should not be used for extinguishing sodium fire. Instead pyrene\[(CC{{l}_{4}})\] should be used.


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