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11-03-2024
Chemistry

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On heating an inorganic salt 'X' with conc.H₂SO₄ results in evolution of reddish brown fumes which on addition of MnO₂, the fumes get intensifies. The fumes turns starch paper yellow. X is
A. Nitrate salt
B. Bromide salt
C. Fluoride salt
D. Sulphate salt

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