Which of the following metal dissolves in sodium hydroxide with the evolution of hydrogen?

Which of the following metals dissolve in sodium hydroxide with the evolution of hydrogen?

Which of the following metals on reaction with sodium hydroxide solution produce hydrogen gas ? 1. Cu 2. Al 3. Fe 4. Zn

Which of the following metal hydroxides does not dissolve in sodium hydroxide solution?

A pair of metals which dissolves in sodium hydroxide solution is

A pair of metals which dissolves in sodium hydroxide solution is

The hydroxide of this metal is soluble in sodium hydroxide :

Which of the following Group 2 metal hydroxides is soluble in sodium hydroxide ?

Which one of the following metallic hydroxide does not dissolve in sodium hydroxide solution?