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Green chem 6

QuestionAnswer
ANOTHER SOLUTION TO MAKE PLASTIC THAT ARE .... EASILY BROKEN DOWN IN ENVIRONMENT.
DISINTEGRATION OF PLASTIC CAUSED BY ... LIGHT OR BY ORGANISMS IN LANDFILL SITES. THIS IS ACHIEVED BY ADDED STARCH GRANULE TO THE PLASTIC.
HOW TO DISINTEGRATE PLASTICS ... ADD STARCH GARNULE TO IT.BIODIPERSIBLE.
WHAT DO THE MICROORGANISM BREAK DOWN IN THE PLASTICS ... THE STARCH, TURNS PLASTIC INTO FINE POWDER THUS TAKING UP LESS SPACE. CALLED BIODIPERSIBLE.
BIODEGRADABLE MEAN THAT... BACTERIA CAUSE THE DECOMPOSITION OF ORGANIC MATERIAL TO C02 METHANE OR WATER.
ARE METALS EASILY RECYCLED... YES
IRON CAN BE SEPARATED FROM OTHERS METAL BY USING.. A MAGNET, THEN MIXED WITH AN IRON ORE MIXED IN A BLAST FURNACE.
RECYCLED ALUMINIUM CAN ARE ... MELTED DOWN REACTS SAVING ENERGY IN COMPARISON TO ELECTROLYSIS OF ALUMINA.
THE EXTRACTION OF THE COSTLY METALS USED IN CATALYTIC CONVERTERS ARE ... ECONOMICALLY VIABLE,AT SAME TIME
PRESERVES NON RENEWABLE RESOURCES.
TO REDUCE POLLUTION GASSES AND WATER ... RELEASED TO ENVIRONMENT & WATER RETURNED FROM FACTORIES
ARE MONITORED.
TO REDUCE POLLUTION GASSES AND WATER ... MONITORED
STRATOSPHERIC OZONE AND OXYGEN PROTECT THE EARTH FROM ... HARMFUL UV LIGHT.
OZONE O3 ABSORBS ... UV RADIATION OF WAVELENGTHS 200-300NM.
THE BREAKING OF A BOND BY LIGHT IS CALLED.. PHOTOLYSIS. O3 +UVàO2+O.
OXYGEN ABSORBS... UV LIGHT IN RANGE 180-240NM. O2 +UVà O. + O.
THE OXYGEN RADICALS REACTION WITH ... DIATOMIC OXYGEN IN AN EXOTHERMIC REACTION. O. + O2 à O3 = -600KJMOL-1.
AN EQUILIBRIUM IS SET UP AND ... THE CONCENTRATION OF OZONE SHOULD BE CONSTANT. BUT NO AND CFC AFFECT THIS.
EFFECTS OF CFCS ... CF2CL2 à CF2CL. + CL.
THEN CL. +O3 à CL0. +02. THEN ... CLO + O. à CL. + O2 .
OVERALL EQUATIONS : 2O3 à202
Created by: ufuoma
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