1.

Name any two metals that react with cold water very quickly. Write the products formed when these metals react with cold water.

Answer»

Solution :Lithium, Sodium, Potassium, Calcium reacts with COLD water very quickly. All of these METALS react vigorously or EVEN explosively with cold water. In each case, a solution of the metal hydroxide is produced together with hydrogen gas.
`2x(s) + 2H_2O (l) to 2xOH (aq) + H_2 (G)`
Ex: `2K (s) + 2H_2O (l) to 2KOH (aq) + H_2(g)`
Potassium Water Potassium hydroxide Hydrogen


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