A
white substance (A) reacts with dilute H2SO4 to produce a colourless solution (B1 and a colourless gas [C] The gas (C) formed when treated with sulphur dioxide, yields [D] and colourless liquid
E Anhydrous CuSO, tums blue on addition of this colourless liquid [El Addition of BaCl2 solution to [B] forms a white precipitate (Alis
O Na SO3
Оксоз
OKOSO
Ozns
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I don't know sorry sorry
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