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JAMB Chemistry 2010 Question 37

Question 37

Qualitative Analysis

A compound gives an orange-red colour to a non-luminous flame. This compound is likely to contain

  1. A.Na+
  2. B.Ca2+
  3. C.Fe3+
  4. D.Fe2+
Show the answer and explanation

Answer: B (Ca2+)

Explanation

Calcium ions give a brick/orange-red flame; sodium gives golden yellow.