What makes the colors in fireworks?
The colors in fireworks are produced by the combustion of different metal salts. When heated, these salts emit specific colors. For example, strontium salts produce red, copper compounds generate blue, sodium salts give off yellow, and barium salts result in green.
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MCQs
1. Which element is responsible for making green colors in fireworks?
A) Barium
B) Potassium
C) Carbon
D) Aluminum
2. What color does copper produce in fireworks?
A) Blue
B) Yellow
C) Red
D) Green
3. Which chemical is used to produce gold or yellow sparks in fireworks??
A) Sodium
B) Calcium
C) Iron
D) Zinc
4. To make fireworks sparkle, which substance is often added?
A) Magnesium
B) Phosphorus
C) Sulfur
D) Charcoal
5. What does potassium nitrate do in fireworks?
A) Creates colors
B) Acts as a binder
C) Produces smoke
D) Works as an oxidizer
6. Which element is not typically used to create colors in fireworks?
A) Strontium
B) Barium
C) Copper
D) Uranium
7. Which of the following is commonly used for bright white light in fireworks??
A) Aluminum
B) Sodium
C) Barium
D) Copper
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