ALLOYS IGCSE CHEMISTRY

Define alloys

• Metals

• Mixture of two or more elements

• A group of non-metals

• Carbon compound

Alloys making was added by pure metals with

• Foreign metals

• Non-metals

• elements

• carbon compound

What makes steels

• Iron + steels

• Iron + carbon

• Iron + antimony

• Iron + iron3

• Iron + vanadium

Tin +Antimony + Copper

• Stainless steel

• Steel

• Pewter

• Brass

Duralumin is ---------------- except

• easily corrode

• light

• strong

• shiny

What makes 9carat gold

• brass

• bronze

• silver

• aluminium

What is the use of duralumin

• building

• ornaments

• aircraft

• musical instruments

Which one is made for medal

• aluminium

• pewter

• bronze

• steel

9-caratgold is used for..

• building

• jewelry

• aircraft

• steel

copper + nickel made..

• copper

• nickelet

• cupro-nickel

• gold