Figure 10 shows some information on a container of plant fertiliser - Edexcel - GCSE Chemistry - Question 7 - 2023 - Paper 1
Question 7
Figure 10 shows some information on a container of plant fertiliser.
- ammonium nitrate (NH₄NO₃) 46%
- phosphorus oxide (P₂O₅) 0%
- potassium nitrate (KNO₃) 54%
Fi... show full transcript
Worked Solution & Example Answer:Figure 10 shows some information on a container of plant fertiliser - Edexcel - GCSE Chemistry - Question 7 - 2023 - Paper 1
Step 1
State which element, often present in fertilisers, is not present in this fertiliser.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The element that is not present in this fertiliser is phosphorus (P), as indicated by the 0% content of phosphorus oxide (P₂O₅).
Step 2
Which acid reacts with ammonia to produce ammonium nitrate?
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The acid that reacts with ammonia to produce ammonium nitrate is hydrochloric acid (option B).
Step 3
State why farmers spread fertilisers on their fields.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Farmers spread fertilisers on their fields to provide essential nutrients to the crops, promoting growth and improving yield. Fertilisers supply key elements such as nitrogen, phosphorus, and potassium that are necessary for plant development.