JEE Main Chemistry question
Not in JEE Main or NEET syllabus
A metal readily forms its sulphate which is water soluble. It forms its oxide which becomes inert on heating. It forms its insoluble hydroxide which is soluble in NaOH solution. Then, is
Answer: (A)
Solution
As established before, this specific combination — a soluble sulphate, an oxide rendered inert ("dead-burnt") on strong heating, and a hydroxide soluble in excess NaOH (amphoteric) — uniquely identifies
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