Name two metals which react violently with cold water. Write any three

1.	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 ?
Answer» Sodium and potassium metals react violently with cold water. Observations: 1. Metal starts moving over the surface of water making a hissing sound. 2. Metal starts reacting with water causing little explosions. 3. Soon the metal catches fire and starts burning.

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 ?

Answer»

Sodium and potassium metals react violently with cold water.

Observations:

1. Metal starts moving over the surface of water making a hissing sound.

2. Metal starts reacting with water causing little explosions.

3. Soon the metal catches fire and starts burning.