The history and chemistry of fireworks - Exam
- 1. What are fireworks primarily made of?
A) Glass and paper
B) Plastic and rubber
C) Gunpowder and metal salts
D) Water and sand
- 2. Which country is credited with inventing fireworks?
A) Egypt
B) China
C) India
D) Greece
- 3. What is the main chemical component in gunpowder?
A) Magnesium sulfate
B) Potassium nitrate
C) Sodium chloride
D) Calcium carbonate
- 4. Who developed the first fireworks for military use during wartime?
A) Greeks
B) Chinese
C) Romans
D) Persians
- 5. Which country has one of the largest fireworks festivals known as 'Hanabi'?
A) Thailand
B) China
C) Korea
D) Japan
- 6. Which metal is used to create a blue color in fireworks?
A) Copper
B) Lithium
C) Calcium
D) Iron
- 7. In which festival are fireworks commonly used in the United States?
A) Independence Day
B) Thanksgiving
C) Christmas
D) Easter
- 8. What element is primarily responsible for the color red in fireworks?
A) Sodium
B) Strontium
C) Barium
D) Copper
- 9. What is the energetic reaction that propels a firework into the air?
A) Evaporation
B) Condensation
C) Sublimation
D) Combustion
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