जॉइन Examsbookउत्तर : 4. "potassium"
The metal which reacts most violently with with cold water is5
प्र: The metal which reacts most violently with with cold water is
- 1calciumfalse
- 2sodiumfalse
- 3magnesiumfalse
- 4potassiumtrue
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उत्तर : 4. "potassium"
व्याख्या :
Answer: D) potassium Explanation: Potassium reacts violently with water liberating hydrogen. The reaction is so violent that the liberated hydrogen catches fire.

