1) What property of metal shows their ability to be drawn into thin wires ? a) Malleability b) Ductility c) Hardness d) Conductivity 2) What is the term used to describe the property of metals to produce ringing sound ? a) Conductivity b) Brittleness c) Sonority d) Malleability 3) Which metal is liquid at room temperature ? a) Copper b) Mercury c) Iron d) Aluminium 4) Which metal can be cut by a knife ? a) Zinc b) Wood c) sodium d) Silver 5) Which property of metal is responsible for their shiny appearance ? a) Lustre b) Melting point  c) Density d) Mass

Metal Master

由
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?