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Fire caused by sodium in the laboratory ...

Fire caused by sodium in the laboratory cannot be extinguished by spraying water-Why?

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Sodium reacts vigorously with water producing `H_2` gas which catches fire by the heat evolved in the reaction. So water cannot be used for extinguishing sodium-fire.
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CHHAYA PUBLICATION-s-BLOCK ELEMENTS -QUESTION-ANSWER ZONE FOR BOARD EXAMINATION (SHORT ANSWER TYPE)
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