Chemistry - Complete Pblock- Question with Solution | TestHub

When metal$\mathrm{M}$is treated with$\mathrm{NaOH}$, a white gelatinous precipitate$\mathrm{X}$is obtained, which is soluble in excess of$\mathrm{NaOH}$. Compound$\mathrm{X}$when heated strongly gives an oxide which is used in chromatography as an adsorbent. The metal$\mathrm{M}$is