Question

Name a metal which react vigorously with cold water

Answer 1

Name of two metals: Sodium, potassium

Observations:

1. Exothermic reaction

2. The reaction is violent

3. Evolved gas catched fire.

The gas evolved is hydrogen. It burns with a pop sound. Moreover, since the raection is very violent, hydrogen gas immediately catched fire.

Answer 2

Hey friends

Answer is sodium

Hope this will help you.

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