Question

A metal mm readily forms its sulphate mso4mso4 which is water soluble. It forms its oxide momo, which becomes inert on heating. It forms its insoluble hydroxide m(oh)2m(oh)2 which is soluble in naohnaoh solution. Then mm is

Answer 1

A metal M readily forms water soluble sulphate MSO4 ,water M(OH) 2 and oxide MO which becomes inert on heating . The Hydroxide is soluble in NaOH .

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