Extracting Metals And Making Alloys

Question 1

Everyday metal mixtures are called?

Answer 1

Alloys

Question 2

Metals are produced when metal oxides have what removed?

Answer 2

Oxygen

Question 3

What are reactive metals (K to Al) extracted by?

Answer 3

Electrolysis

Question 4

Less reactive metals below carbon are extracted by what?

Answer 4

By heating them with carbon in a blast furnace

Question 5

Even less reactive metals (silver, gold, platinum) found in native state

Answer 5

In various ways

Question 6

What are transition metals?

Answer 6

Metals in the middle section of the periodic table, all malleable and good conductors

Question 7

How does a blast furnace operate?

Answer 7

Haematite (iron ore) is fed in and hot air is blasted in.

Question 8

What’s the equation for a blast furnace operation?

Answer 8

Iron oxide + carbon monoxide = iron + carbon dioxide

Question 9

What’s an ore?

Answer 9

A rock that contains enough metal or metal compound to make it economically worthwhile to extract