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Discussion Board for a Question on Quiz: Chemistry (JAMB 2002)

Chemistry (JAMB 2002)

50 Questions · Public · Objective · Quiz suitable for all ages

9 Click Here To Discuss Question

A rock sample was added to cold dilute HNO₃. The gas evolved was passed into a solution of acidified K₂Cr₂O₇and the solution turned green. The rock sample contains.
A. SO₄^2- B. SO₃^2-
C. NO^3- D. Cl^-

Select 1 Option (1 Mks)

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question_answer Discussion Board for a Question on Quiz: Chemistry (JAMB 2002)

Discussion Board for a Question on Quiz: Chemistry (JAMB 2002)