5 facts about electroplating...
1- electroyolisis is used to elecroplate objects.
2- it is useful for coating a chaper metal with a more expensive one. e.g.copper,silver.
3- the negetive electrode should be the object that is elctroplated. (cheap)
4- the positive elctrode shoudl be the metal that you want to coat the metal with. (expensive)
5- the electroylte should be a soulotion of the coating metal, such as its metal nitrate or sulphate.
3 factsabout elctroplatng witth silver...
1-the object to be plated such as metal for a spoon is connected to the negetive terminal of the power supply.
2- the silver is connected to the posititve terminnal.
3- the electroylte is silver nitrate souloution.
4 facts about elctroplating with copper...
1- object to be plated is connected to the negetive terminal of the power supply.
2- the copper is connceted to the positive.
3- the elctryle is a copper sulphate soloution.
4- the arrangment can also be used to purify copper during copper mananfacture.
8 facts about allimnuim extraction...
1-most abundant metal on earth.
2- aliimum is expensive due to the amount of electricy needed in the extraction porcess.
3- aluminum ore is call bauxite.
4- bauxite is purified to yield a white powder called alumium oxide, from whcih alumium can be extracted.
5- extraction done by electrolyosis but fist alumion oxide must…