3.5 Useful Metals Flashcards Preview

GCSE Chemistry 1.3 Metals and Their Uses > 3.5 Useful Metals > Flashcards

Flashcards in 3.5 Useful Metals Deck (9)
Loading flashcards...
1
Q

Why is copper useful for making pipes?

A

It doesn’t react with water and is malleable but hard enough to keep its shape

2
Q

Why is copper useful for making wires?

A

It is ductile and is a very good conductor of electricity

3
Q

Why are pure iron, gold, copper and aluminium often mixed with other elements to make alloys?

A

They are naturally very soft and can bend easily, so they are mixed to make alloys so they are harder and can keep their shape

4
Q

Name a use of gold alloy

A

Jewellery

5
Q

Name 2 uses of aluminium alloys

A
  • buildings

* aircrafts

6
Q

What are bronze and brass alloys of?

A

Copper

7
Q

Why is bronze a useful metal?

A

It doesn’t bend and is really strong

8
Q

Why is brass a useful metal?

A

It doesn’t tarnish

9
Q

Name 7 properties of transition metals

A
  • dense
  • strong
  • ductile
  • malleable
  • high bp/mp’s
  • good conductors of heat and electricity
  • solid at room temp