Exams › SSC CGL (Prelims) › General

Which chemical element produces a green colour in firework displays?

1. Strontium
2. Barium
3. Sodium
4. Copper

Correct answer: Barium

Solution

Barium compounds emit a green colour when heated, so they are used in fireworks for green effects. Strontium gives red, sodium gives yellow, and copper often gives blue-green shades.

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