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Explain why explosion of a firework …

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Explain why explosion of a firework is said to be chemical change
  • 1 answers

Yogita Ingle 7 years, 5 months ago

Its chemical reaction as active chemicals get oxidised to rapid pace generating heat and sound. Cracker ingredients are enclosed in a tight pack so that when chemical reaction takes place the smoke and heat generated rips open the pack. Creates explosion.

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