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CUET

Q15. For the brown ring test, the correct order of the steps in the experiment is: (A) Pour conc. H₂SO₄ very slowly along the side of the test tube, very few drops of the acid should be poured. (B) Take half spatula of the given salt in a dry test tube. (C) Add 2-3 mL of freshly prepared ferrous sulphate solution to the test tube. (D) Make a solution of the given salt. Choose the correct answer from the options given below: