What is Combined to make ammonia?

Where does the Nitrogen come from?

Where does the Hydrogen come from?

describe the reaction

The symbol equation for the production of Ammonia

The 3 factors for the correct envioment

what percentage of hydrogen and nitrogen converts to Ammonia?

What happens to the unreacted gasses?

Overall, what percentage of gas is conserved?

What does Nitrogen combine with to form salts and what are they called?

What kind salts does phosphorus form

What from does Magnesium and Potassium come as in fertaliser?

What is an ion?

What is Nitrogen used for in plants?

What is Phosphurus used for in plants?

What is potassium used for in plant?

What is magnesium used for in plants?

What are the defficency signs for Nitrogen?

What are the defficency signs for Phosphorus?

What are the deficiency signs for Potassium?

What are the deficiency signs for Magnesium?