Answer / muthyam

IT WORKS ON THE PRINCIPLE THAT AIR IS DRAWN OVER THE COPPER PLATE HEATED BY HYDROCARBON FUEL, IF THE HALOGENATED REFRIGERANT IS PRESENT THE FLAME CHANGES FROM A BLUE TO BLUISH GREEN COLOR.

Answer / kathir

PHOSGENE(COCL2)GAS IS PASSED THROUGH THE COPPER AND IT CONVERTS (CUCL2)WHICH IN TURN TO CHANGA THE COLOUR OF FLAME IN PALE BLUE TO BRIGHT GREEN.

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