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Which oxides decompose easily on heating, going by Ellingham plots?
AAl2O3 and MgO
BAg2O and HgO
CCaO and Na2O
DCr2O3 and SiO2
Answer & Solution
Correct answer: B. Ag2O and HgO
Silver and mercury oxides are so unstable at higher temperature that they undergo thermal decomposition directly.
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