Alloys IGCSE Chemistry 0620 Kanayati

Steel generally speaking is made of

• iron and carbon

• copper and iron

• tin and carbon

• aluminum and nickel

Brass is an alloy made of

• copper and zinc

• copper and tin

• copper and nickel

• copper and aluminum

Bronze is an alloy made of

• aluminum and magnesium

• copper and tin

• lead and tin

• copper and nickel

Some uses of alloys are shown.

Which statement about alloys is correct?

• They are always stronger than the metals from which they are made.

• They are made from metals because metals are poor electrical conductors.

• They contain mixtures of compounds that contain metals.

• They have different properties to the metals from which they are made.

Alloys are metals formed by dissolving one metal in another. Alloys are ……X…… .

……Y…… alloys conduct electricity.

Which words correctly complete the statements?

• A

• B

• C

• D

Which diagram represents an alloy?

• A

• B

• C

• D

Alloy that can be used for jewellery, machine bearings, and door furniture

• brass

• bronze

• pewter

• duralumin

Steel can become stainless when alloyed with _____.

• chromium and nickel

• copper and zinc

• tin and lead

• iron aand carbon

Brass is an alloy made of

• copper and zinc

• copper and tin

• copper and nickel

• copper and aluminum

Alloy that can be used for jewellery, musical instruments, and door furniture

• brass

• bronze

• mild steel

• stainless steel