There are two types of fertilisers: natural which is made from plant and animal waste, and artificial which is man-made. By using fertilisers, farmers are able to grow more crops on a field.
Which of these is not an essential plant nutrient?
Which of the following is a natural fertiliser?
What is the Haber process used to form?
Which of the following is a property of ammonia gas?
Soluble in water
What are the reactants in the Haber Process?
Nitrogen and hydrogen
Nitrogen and oxygen
Carbon and hydrogen
Which of the following is not a reason that nitrate compounds make good fertilisers?
Cheap and easy to manufacture
Contain essential plant nutrients
They are very soluble
How is the Haber process made more economical?
The reaction takes place at a low pressure
Unreacted reactants are recycled
The reaction takes place at a low temperature
What is the percentage of nitrogen in the fertiliser Urea given the relative atomic mass of hydrogen is 1, carbon is 12, nitrogen is 14, and oxygen is 16?
The compound ammonium sulphate is used as a fertiliser.
Given the relative atomic mass of hydrogen is 1, nitrogen is 14, oxygen is 16 and sulphur is 32, what is the percentage of ammonium sulphate that is nitrogen?
Ammonium phosphate is commonly used as a fertiliser.
Given the relative atomic mass of hydrogen is 1, nitrogen is 14, phosphorus is 31 and oxygen is 16, what is the percentage of ammonium phosphate that is phosphorus?