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Writers Help-Save Earth Pollution Essay

Super Papers-Ib Chemistry Extended Essay Mark Scheme

Other than, mercury, Hg, is utilized in creating black pigments in black paint though direct, Pb, is the major chemical suctances in building white pigments in paint. Other than that, cobalt, Co, is easily applied in making yellow pigments of paint. rnIn this experiment, a research has been finished to look into the stage of… continue reading

Cause And Effect Essay Examples Best Writers

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