JAMB Chemistry 2010 Objective — Question 37

Question 37 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2010 Objective paper, with the correct answer and a full explanation.

37. A compound gives an orange-red colour to a non-luminous flame. This compound is likely to contain A. Fe3+ B. Fe2+ C. Na+ D. Ca2+

A. Fe3+
B. Fe2+
C. Na+
D. Ca2+Correct

Explanation

Sodium compounds give a golden yellow colour to a non-luminous flame; calcium compounds give an orange-red colour to a non-luminous flame.

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