Dragon's eggs effect in fireworks is produced by
-
Beryllium sulfate
-
Beryllium telluride
-
Bismuth (III) oxide
-
Bismuth telluride
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.