Which of the followinmg is soluble in sodium hydroxide ?

Sodium hydroxide is

Sodium hydroxide is

Which of the following is incorrect about sodium hydroxide ?

The hydroxide of this metal is soluble in sodium hydroxide :

The hydroxide of which metal ion is soluble in excess of sodium hydroxide solution:

Choose the correct answer from the options given below : Hydroxide of this metal is soluble in sodium hydroxide solution.