guess and write why deepavali fire works material produces out a variety of colour on bursting fire works
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4
Answer:
The chemicals present in the fireworks emit colors on getting heated. Using more than one color imparting chemical and designing the fireworks in such a manner that the chemicals present in the fireworks get heated one after another, will make the fireworks emit different colors one after another.
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2
Answer:
Because they contains metals like scandium caesium rubidium etc
Explanation:
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