Section C Large Scale Inorganic Chemistry

Question 1

What is the temperature of the Haber Process?

Answer 1

450°C

Question 2

What is the pressure of the Haber process?

Answer 2

200 atmospheres.

Question 3

What is the catalyst used in the Haber process?

Answer 3

Iron.

Question 4

What are the uses for chlorine?

Answer 4

. Sterilising water to make it safe to drink.
. Making hydrochloric acid
. Making bleach

Question 5

What are the uses of sodium hydroxide?

Answer 5

. To purify bauxite.
. Paper making.
. Soap making
. Making bleach.

Question 6

What is the main ore of aluminium?

Answer 6

Bauxite.

Question 7

What is the catalyst for extracting aluminium?

Answer 7

Cryolite.

Question 8

What temperature is electrolysis heated to?

Answer 8

1000°C

Question 9

What is the equation for making aluminium?

Answer 9

Al+3e- ➡️ Al

Question 10

What is galvanised iron?

Answer 10

Iron that has been coated with a layer of zinc.

Question 11

What is the haver process?

Answer 11

Takes nitrogen from the air and hydrogen produced from natural gas and combines them into ammonia.

Question 12

What is irons main ore?

Answer 12

Haematite.

Question 13

What are the raw materials that are out into the the furnace?

Answer 13

Haematite, coke and limestone.

Question 14

What temperature is the furnace heated to to create iron?

Answer 14

1500°C

Question 15

What is the main impurity of the extraction of iron?

How is it removed?

What does it turn into?

Answer 15

Sand.

The limestone removes it.

Calcium silicate, slag.

Question 16

Why is carbon monoxide dangerous?

Answer 16

It’s an incomplete combustion, it’s poisonous and reduces the capacity of the blood to carry oxygen.