The metal alloyed with gold for making jewellery :A.copperB.zincC.silverD.aluminium

IV.    Identify the ores of which the following metals was derived: a.    Copperb.    Aluminumc.     Zincd.    Tungstene.    Aluminumf.      Goldg.    Silverh.    Ironi.      Tinj.      Nickel

Gold is used to make jewellery.Select the property below which is most important when using gold for this purpose.It looks niceIt is expensiveIt is unreactiveIt is very hard

What property allows gold to be formed into jewellery?MalleabilityConductivityPermeabilityElasticity

Silver is a precious metal often used to make jewellery.Sterling is the quality standard and is an alloy of 92.5% silver. The remainder is usually copper.Does this mean that silver jewellery is made of pure silver?Yes, because a pure substance is one that contains only one type of element or compound and the jewellery only contains silver.No, because a pure substance is one that contains only one type of element or compound. As the silver is mixed with copper to make jewellery, it is not pure.No, because a pure substance is one that contains two or more different elements or compounds and the jewellery only contains silver.Yes, because a pure substance is one that contains two or more different elements or compounds and the silver in jewellery contains different elements.

A metal like gold, Au, is a pure substance.