JAMB - Chemistry (2001 - No. 42)

Which of the following metals burn with brick red flame?
Pb
Ca
Na
Mg

Explanation

When heated, lead (Pb) burns with a bluish-white or greyish-white flame.

When heated, calcium burns with a brick red flame and forms a white solid. The calcium ion (Ca2+) produces a brick red color in a flame test.

When heated in air, sodium (Na) burns with a bright, golden yellow flame.

When heated, magnesium burns with a bright, dazzling white flame.

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