A metal `M` readily forms water soluble sulphate `MSO_(4)`, water insoluble hydroxide `M (OH)_(2)`
Channel: Doubtnut
Date: 2020-04-12

A metal `M` readily forms water soluble sulphate `MSO_(4)`, water insoluble hydroxide `M (OH)_(2)` and oxide `MO` which becomes inert on heating. The hydroxide is soluble in `NaOH`. The `M` is