The green colour seen in firework displays is due to the chloride salt of :

A Sodium
B Strontium
C Barium
D Calcium

Correct Answer: Barium

The red, orange, yellow, green, blue and purple colors exploding in the night sky during a pyrotechnic festival are created by the use of metal salts. Barium chloride provides green colour to firework displays. Metal salts that are commonly used in firework displays include: strontium carbonate (red), calcium chloride (orange), sodium nitrate (yellow), barium chloride (green fireworks) and copper chloride (blue fireworks).
Bissoy MCQ
#General Knowledge #Chemistry

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