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?

Answer 1

Explanation:

Sodium and potassium are two metals that react violently with cold water. Three observations when such a metal is dropped in water are: Reaction is highly exothermic i.e. a huge amount of heat is produced. Hydrogen gas is evolved in the reaction.