Meatals

Question 1

What is an alloy

Answer 1

An alloy is a mixture of two metals

Question 2

Give some examples of alloys

Answer 2

Steel, Brass, Bronze, Solder

Question 3

What is Steel made from

Answer 3

Iron and Carbon

Question 4

What is Brass made from

Answer 4

Copper and Zinc

Question 5

What is Bronze made from

Answer 5

Copper and Tin

Question 6

What is Solder made from

Answer 6

Lead and Tin

Question 7

What are the three metals that we need to know for metal relativity in order of most reactive to least reactive

Answer 7

Calcium (Ca), Magnesium (Mg), Zinc (Zn), Copper (Cu)

Question 8

What are the properties of metals?

Answer 8

Conduct electricity and heat, lustrous, malleable, ductile

Question 9

What does malleable mean

Answer 9

Can be beaten into shape (Gold)

Question 10

What does lustrous mean

Answer 10

It is shiny (Silver)

Question 11

That does ductile mean

Answer 11

It can be stretching (Copper)

Question 12

Properties of non metals

Answer 12

Usually liquids or gasses, brittle (when solid), poor conductors of heat and electricity.

Question 13

What is rusting

Answer 13

Rusting is the corrosion of metals

Question 14

What can you do to prevent rusting

Answer 14

Paint it, Galvanise it, or store it in oil or grease

Question 15

What produces a stronger reaction that water and oxygen?

Answer 15

Acids