Question

Which of the given metals liberate hydrogen gas on reaction with both acids and bases? 1) Sodium 2) Potassium 3) Magnesium 4) Zinc Please,explain also the reason.

Answer 1

If you try each of the elements with a acid i.e. HCl and a base i.e. NaOH, you will youself come to a result that Na or sodium liberates both hydrogen gas with acid and base.

So the answer is (1) Sodium

Answer 2

Answer:

The answer can be sodium (Na) or zinc(Zn)