The Fertiliser Industry (Grade 12 NSC Matric Physical Sciences): Quizzes
📚Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the nature of the steam reforming reaction used to produce hydrogen?
What is the nature of the steam reforming reaction used to produce hydrogen?
Endothermic
At what temperature does the water gas shift reaction occur?
At what temperature does the water gas shift reaction occur?
Around 130°C
At what temperature is nitrogen gas collected during fractional distillation of air?
At what temperature is nitrogen gas collected during fractional distillation of air?
-190°C
Which catalyst is used in the Haber process?
Which catalyst is used in the Haber process?
Iron
Why does high pressure favour ammonia formation in the Haber process?
Why does high pressure favour ammonia formation in the Haber process?
Fewer gas molecules on product side
Which catalyst is required in the first step of the Ostwald process?
Which catalyst is required in the first step of the Ostwald process?
Platinum
What purity of sulphuric acid does the Contact process produce?
What purity of sulphuric acid does the Contact process produce?
98-99%
What is the nitrogen content of urea?
What is the nitrogen content of urea?
46.4%
What does an NPK ratio of 4:2:3 indicate?
What does an NPK ratio of 4:2:3 indicate?
Relative proportions of N, P, and K
Which is an advantage of inorganic fertilizers?
Which is an advantage of inorganic fertilizers?
Precise nutrient control