Discussion
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- Question
P2O5 content in triple superphosphate is about __________ percent.
Options- A. 42-50
- B. 15-20
- C. 85-90
- D. 70-75
- Correct Answer
- 42-50
- 1. Fertiliser plants get their N2 requirements
Options- A. by fractionation of liquified air.
- B. by dissociating oxides of nitrogen.
- C. from coal gas (coke oven gas).
- D. from producer gas. Discuss
- 2. Conditioners like finely divided peat are added to the fertiliser to
Options- A. counteract burning.
- B. avoid caking & hardening.
- C. produce bulk.
- D. increase its solubility. Discuss
- 3. CO2 present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in
Options- A. mono-ethanolamine (MEA)
- B. slaked lime
- C. ammoniacal liquor
- D. Methyl-Ethyl Ketone (MEK) Discuss
- 4. Ammonium sulphate fertiliser is
Options- A. the highest concentration nitrogenous fertiliser.
- B. the best fertiliser for paddy.
- C. a basic fertiliser.
- D. a neutral fertiliser. Discuss
- 5. Vetrocoke solution is
Options- A. a mixture of K2CO3 and As2O3.
- B. K2SO4.
- C. a mixture of Na2CO3 and As2O3.
- D. Na2SO4. Discuss
- 6. Which is a catalyst promoter used in catalytic ammonia synthesis reaction?
Options- A. Al2O3
- B. Cr2O3
- C. K2O
- D. MnO Discuss
- 7. (CH3 C6 H4)3 PO4 is the chemical formula of
Options- A. triple superphosphate
- B. tricresyl phosphate
- C. flourapatite
- D. superphosphate Discuss
- 8. Catalyst used in Haber's process for ammonia production is
Options- A. reduced iron oxide
- B. nickel
- C. vanadium pentoxide
- D. silica gel Discuss
- 9. Ammonium sulphate can be produced by reacting gypsum with
Options- A. ammonia
- B. ammonium carbonate
- C. nitric acid
- D. none of these Discuss
- 10. Nitrogenous fertiliser is required
Options- A. during the early stage of growth to promote development of stem and leaves.
- B. for accelerating fruit formation in later stage of growth.
- C. to lessen the effect of excessive potash application.
- D. none of these. Discuss
Fertiliser Technology problems
Search Results
Correct Answer: by fractionation of liquified air.
Correct Answer: avoid caking & hardening.
Correct Answer: mono-ethanolamine (MEA)
Correct Answer: the best fertiliser for paddy.
Correct Answer: a mixture of K2CO3 and As2O3.
Correct Answer: K2O
Correct Answer: tricresyl phosphate
Correct Answer: reduced iron oxide
Correct Answer: ammonium carbonate
Correct Answer: during the early stage of growth to promote development of stem and leaves.
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