Principles of Qualitative Analysis

JEE Main · Chemistry · 5 past questions

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1. Q4 2026 5 Apr Shift 2

   A paper dipped in a dil. $H_2SO_4$ solution of 'X' upon treatment with $SO_2$ gas turns into green. The…

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2. Q5 2026 6 Apr Shift 2

   Treatment of a gas 'X' with a freshly prepared ferrous sulphate solution gives a compound 'Y' as a brown…

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