Apple's iPhone charger crams a lot of technology into a small space. Apple went to extra effort to provide higher quality and safety than other name-brand chargers, but this quality comes at a high cost.. In fact, Apple seems to squeeze an awful lot of technology into a very, very small space.
Timber preservtive and in the preparawtion of other wood preservatives, e.g oil-based copper naphthenates and water-based copper/chrome/arsenic for the prevention of woodworms and wood rots. Ingredient of plaster to prevent fungus infection, e.g to prevent the spread of dry rot.aw material for the manufacture of copper naphthenate and other copper compounds for use in anti-fouling paints. Preparation of certain varnish or paint dryers, e.g copper oleate, copper stearate. Preparation of certain pigments, e.g copper chromate, copper ferrocyanide, copper phthalocyanine.
Answers. Best Answer: The iron filings become brownish in color and the blue color of color of copper sulphate solution fades. This is because iron, being more reactive than copper displaces copper from copper sulphate solution. Fe(s) + CuSO4(aq) --- FeSO4(aq) + Cu(s).nswers. Best Answer: The iron filings become brownish in color and the blue color of color of copper sulphate solution fades. This is because iron, being more reactive than copper displaces copper from copper sulphate solution. Fe(s) + CuSO4(aq) --- FeSO4(aq) + Cu(s).