JAMB Chemistry 2019 Objective — Question 25

Question 25 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2019 Objective paper, with the correct answer and a full explanation.

The colour exhibited by copper in a flame test is

A. green
B. lilac
C. blue-greenCorrect
D. crimson

Explanation

Copper gives a bluish-green colour in a flame test. (Potassium gives golden yellow, calcium gives brick red, lead gives livid blue.)

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