Question
Name two metals which react violently with cold water. Write any three observations you would make when such a metal is dropped into water. How would you identify the gas evolved, if any, during the reaction?
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Answer
Sodium and potassium metals react violently with cold water Observations:
- Metal starts moving over the surface of water making a hissing sound.
- Metal starts reacting with water causing little explosions.
- Soon the metal catches fire and starts burning.
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