The Chemistry of Fire Works

Presented by Nithya S Nair

Physical ScienceBadriya B.Ed College

Kollam

IntroductionThe golden sparkles

explode and floats down the darkened sky, thrilling everyone watching below. Fire works have been a familiar part of celebrations for centuaries. The different colours glitter in the sky are due to fifferent chemicals used to make gn powder

Major salts used for fire worksBarium saltsCalcium saltsPotassium saltsSodium saltsLithium saltsStrontium saltsCopper saltsChromium salts

Basic Principle behind the coloursExcitation and de-excitation of electrons

present in the atoms of salts

Colours shown by Different Salts

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