Explain why explosion of a fire work (such as cracker ) is said to be chemical change
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5
Explanation:
When you look at the fireworks, you see dazzling sparkles of red, white and blue trickle down in all directions. The explosion of fireworks is an example of chemical change. During a chemical change, substances are changed into different substances. Another words, the composition of the substance changes.
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Answer:
This is because it can't reversible.
Explanation:
When any substance burnt or explore it's energy is converted into smoke,heat and light or sometime into sound energy that can't reversible .
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