Ammonia & Sulfuric Acid

Question 0

What’s the formula for ammonia

Answer 0

NH3

Question 1

What’s a use of Ammonia?

Answer 1

Fertilisers

Question 2

Where does nitrogen come from in Haber process?

Answer 2

Air

Question 3

Where does hydrogen come from in Haber process?

Answer 3

Obtained by reacting natural gas with steam or cracking oil fractions

Question 4

Temperature in Haber process?

Answer 4

450°C

Question 5

Effect of increasing pressure in Haber process?

Answer 5

More yield

Question 6

Catalyst in Haber process?

Answer 6

Iron

Question 7

How do you separate ammonia from unreacted nitrogen and hydrogen?

Answer 7

By cooling and compressing

Question 8

What is produced when Ammonia is oxidised?

Answer 8

Nitric Acid ; HNO3

Question 9

What are the essential elements found in most fertilisers?

Answer 9

Nitrogen, phosphorus, potassium

Question 10

In the contact process, what are the raw materials needed for the production of sulfuric acid?

Answer 10

Sulfur, air and water.

Question 11

How do you make Sulfur dioxide?

Answer 11

Burn Sulfur in air

Question 12

Why must Sulfur dioxide NOT be released into the atmosphere?

Answer 12

It produces acid rain

Question 13

What is produced when Sulfur dioxide is oxidised?

Answer 13

Sulfur trioxide

Question 14

What is the catalyst in the contact process?

Answer 14

Vanadium (v) Oxide - V2O5

Question 15

What’s the temperature for the contact process?

Answer 15

450°C

Question 16

What’s the pressure for the contact process?

Answer 16

2 atm

Question 17

How do you make sulfuric acid from Sulfur trioxide?

Answer 17

React Sulfur trioxide with water:

H2O + SO3 -> H2SO4

Question 18

List 3 uses of sulfuric acid

Answer 18

• fertilisers
• detergents
• paints

Question 19

When does acid rain occur?

Answer 19

When fossil fuels are burnt which have Sulfur impurities in them.

Question 20

What can acid rain lead to?

Answer 20

• High levels of acidity in lakes (kills fish)

- Ruins Limestone buildings and statues