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

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

 
 
 
 

2. Main component of bone ash is

 
 
 
 

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

 
 
 
 

4. Phosphatic fertilisers

 
 
 
 

5. Catalyst used in steam reforming of naphtha is

 
 
 
 

6. Rock phosphate constitutes mainly of

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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