Properties Of Metals

Question 1

Ferrous

Answer 1

Metals containing iron

Question 2

Non-ferrous metals

Answer 2

Metals not containing iron

Question 3

Alloys

Answer 3

A mixture of 2 or more metals

Question 4

Cast iron

Answer 4

.Very strong
.Brittle
.Non malleable
Used in vices,car brake discs,manhole covers

Question 5

Low-carbon steel

Answer 5

.Strong and cheap
.Rusts easily
.Cannot be hardened
Car bodies,screws,nuts,bolts,nails and washing machines

Question 6

High-carbon steel

Answer 6

.Hard and cannot be hardened
.Not easy to work with
.Can rust
Used in tools,chisels,files,saws,drills

Question 7

Aluminium

Answer 7

.Lightweight and corrosion resistance
.Expensive
.Not as strong as steel
.Hard to join
Used in aeroplanes,cans,ladders

Question 8

Copper

Answer 8

.Relatively soft
.Malleable and Ductile
.Good electrical conductor
Used in electrical wires and pipes

Question 9

Tin

Answer 9

.Soft
.Corrosion resistant
.Malleable And Ductile
.low melting point
Used in foil,tin cans and solder metals

Question 10

Zinc

Answer 10

.Not very strong and corrosion resistant

Used in coating steel (nails buckets and watering cans)

Question 11

High Speed Steel

Answer 11

.Contains iron and 0.6% carbon and other metals such as tungsten
.Keeps it’s hardness when heated
Used in high speed cutting tools that get hot due to friction

Question 12

Stainless Steel

Answer 12

.Iron,carbon,chromium and nickel
.Adding these metals increases strength,toughness,ductility and decreases rust.
Used in surgical equipment,sinks and cutlery

Question 13

Brass

Answer 13

.Hard and Strong
.Malleable,ductile and good electrical conductor
.Resistant to corrosion