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Iron burns a nice gold, it is used to add color to the fire works. Other elements that burn colors are copper (green), strontium (red),and sodium (yellow). I do not know anything of fire works, but I had to do a flame test for chemistry, and by far iron burn the prettiest color.

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15y ago
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11y ago

It is used in fireworks, so that sparks can be seen when we lit the fireworks.

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Q: What is iron used for in a firework?
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