Chemistry 0620 · IGCSE · Solids, liquids and gases
Solids, liquids and gases — practice question
Solder is an alloy made from lead and tin.
(a)[1]
What does the term alloy mean?
(b)[1]
State the name of a different alloy.
(c)[4]
Use the kinetic particle theory to describe and explain how the solder changes state.
(d)[1]
Describe a general property of a vapour (gas) that a solid does not show.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “A mixture of two or more metals, or a mixture of a metal and a non-metal” …