Fertilisers

Question 1

This process is used to make ammonia

Answer 1

Haber Process

Question 2

This process is used to make nitric acid

Answer 2

Ostwald process

Question 3

Properties of ammonia

Answer 3

Toxic
Unpleasant smell
Highly soluble in water

Question 4

Chemical test for ammonia

Answer 4

Turns moist pH paper into blue

Question 5

What type of compounds are synthetic fertilisers?

Answer 5

Salts

Question 6

Name the chemical made in the Ostwald process

Answer 6

Nitric acid

Question 7

Name the chemical made in the Haber process

Answer 7

Ammonia

Question 8

Catalyst used in the Ostwald process

Answer 8

Platinum

Question 9

Catalyst used in the Haber process

Answer 9

Iron

Question 10

Uses of ammonia

Answer 10

To make fertilisers
Cleaning products
Manufacture of dyes and explosives
Manufacture of nitric acid

Question 11

What compounds/elements does the Ostwald process use?

Answer 11

Ammonia
Oxygen
Water

Question 12

Fertilisers

Answer 12

Contain essential elements for plant growth

Question 13

Essential elements for plant growth

Answer 13

Phosphorus, nitrogen and potassium

Question 14

What can nitric acid be used for.

Answer 14

In neutralisation reactions to produce nitrate fertilisers

Question 15

Which two properties must a fertiliser have?

Answer 15

1. Soluble in water
2. Contains one of more of P, N, K

Question 15

What type of reactions make synthetic fertilisers?

Answer 15

Neutralisation reactions

Question 16

A salt solution was made. How can a solid salt sample be produced?

Answer 16

Evaporation (boil away the solvent)