Iron And Steels

Question 1

Pig iron contains_____, but we can treat it to remove this carbon.

Answer 1

Carbon

Question 2

Removing all carbon and other impurities makes___ ___, which is____ and_____ and is not that useful, so to make sure it’s really useful, we ensure it has amounts of other elements in it including carbon and certain metals.

Answer 2

Pure iron, soft,bendy

Question 3

We call a metal containing other elements an_____.

Answer 3

Alloy

Question 4

We call iron which had had other elements alloyed to_____.

Answer 4

Steel

Question 5

The iron produced by the blast furnaces is only about 96% iron and is called____ ____.

Answer 5

Pig iron