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The reaction of sodium and potassium with cold water is described as

Question
The reaction of sodium and potassium with cold water is described as
Very slow and endothermic
Violent and exothermic, with the evolved hydrogen catching fire
Practically non-existent
Only possible with hot water
Answer
Violent and exothermic, with the evolved hydrogen catching fire
Detailed Explanation
Sodium and potassium react so violently and exothermically with cold water that the hydrogen produced immediately catches fire.
Metals, in their pure state, generally have Science · Metals and Non-metals The shining nature of a freshly cut metal surface is called Science · Metals and Non-metals The ability of metals to be beaten into thin sheets is called Science · Metals and Non-metals The most malleable metals, according to the chapter, are Science · Metals and Non-metals

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