Multiple choice

Dragon's eggs effect in fireworks is produced by

  1. Beryllium sulfate

  2. Beryllium telluride

  3. Bismuth (III) oxide

  4. Bismuth telluride

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Bismuth(III) oxide is found naturally as a mineral bismite and sphaerobismoite but it is usually obtained as a by-product of the smelting of copper and lead ores. Bismuth trioxide is commonly used to produce the Dragon's eggs effect in fireworks, as a replacement of red lead.