A metal M readily forms its sulphate MSO_4,wh | vedclass

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(D) $1$. The metal $M$ forms a water-soluble sulphate $MSO_4$. Among the alkaline earth metals,$BeSO_4$ and $MgSO_4$ are water-soluble,while $CaSO_4$,

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$Be$

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(D) $1$. The metal $M$ forms a water-soluble sulphate $MSO_4$. Among the alkaline earth metals,$BeSO_4$ and $MgSO_4$ are water-soluble,while $CaSO_4$,$SrSO_4$,and $BaSO_4$ have low solubility.$2$. The oxide $MO$ becomes inert on heating. $BeO$ is known to become inert (less reactive) upon strong heating.$3$. The hydroxide $M(OH)_2$ is insoluble in water but soluble in $NaOH$. $Be(OH)_2$ is amphoteric in nature,meaning it reacts with both acids and bases (like $NaOH$) to form beryllates,whereas other alkaline earth metal hydroxides are basic.$4$. Therefore,the metal $M$ is $Be$ (Beryllium).

$A$ metal $M$ readily forms its sulphate $MSO_4$,which is water soluble. It forms oxide $MO$ which becomes inert on heating. It forms insoluble hydroxide which is soluble in $NaOH$. The metal $M$ is

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