40 TOP Fertiliser Technology Online Test – Multiple Choice Questions and Answers

1. Rock phosphate constitutes mainly of

 
 
 
 

2. Heating of orthophosphoric acid to about 900°C, produces

 
 
 
 

3. Phosphatic fertilisers

 
 
 
 

4. Main component of bone ash is

 
 
 
 

5. In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed

 
 
 
 

6. Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?

 
 
 
 

7. The optimum size of the ammonia plant is __________ tons/day

 
 
 
 

8. Catalyst used in steam reforming of naphtha is

 
 
 
 

9. Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because

 
 
 
 

10. Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent

 
 
 
 

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