Base suspension fertiliser essentially contains 13% N2 and 43% P2O5 43% N2 and 1

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Question
Base suspension fertiliser essentially contains
Options
A. 13% N₂ and 43% P₂O₅
B. 43% N₂ and 13% P₂O₅
C. 43% N₂ and 13% K₂O
D. 43% K₂O and 43% P₂O₅

Correct Answer

13% N₂ and 43% P₂O₅

Fertiliser Technology problems

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1. Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium
Options
A. carbonate
B. phosphate
C. bicarbonate
D. silicate

Discuss

Correct Answer: carbonate

2. Reaction of orthophosphoric acid with soda ash produces
Options
A. sodium tripolyphosphate (STPP)
B. tricresyl phosphate
C. tributyl phosphate
D. nitrophosphate

Discuss

Correct Answer: sodium tripolyphosphate (STPP)

3. Urea is represented as
Options
A. NH₂.CO.NH₂
B. NH₃CO.CH₃
C. NH.CO₂.NH
D. NH₃.CO₂.NH₃

Discuss

Correct Answer: NH₂.CO.NH₂

4. Phosphoric acid is produced in wet process from phosphate rock and
Options
A. dilute H₂SO₄
B. concentrated H₂SO₄
C. concentrated NHO₃
D. concentrated HCl

Discuss

Correct Answer: dilute H₂SO₄

5. Prilling tower is found in the flowsheet for the manufacture of
Options
A. ammonia
B. urea
C. superphosphate
D. triple superphosphate

Discuss

Correct Answer: urea

6. H₃PO₄ is the chemical formula of __________ phosphoric acid.
Options
A. pyro
B. ortho
C. meta
D. none of these

Discuss

Correct Answer: ortho

7. Action of phosphoric acid on rock phosphate produces
Options
A. superphosphate
B. triple superphosphate
C. nitrophosphate
D. diammonium phosphate

Discuss

Correct Answer: triple superphosphate

8. Red phosphorous is changed into white phosphorous by
Options
A. heating in presence of light.
B. melting under pressure.
C. vaporisation followed by condensation.
D. none of these.

Discuss

Correct Answer: vaporisation followed by condensation.

9. Hydrogen content of coke oven gas is __________ percent.
Options
A. 4
B. 22
C. 58
D. 84

Discuss

Correct Answer: 58

10. Two gas based fertiliser plants are located in
Options
A. Maharashtra and Gujarat
B. Maharashtra and Orissa
C. Gujarat and Madhya Pradesh
D. Jharkhand and Chattisgarh

Discuss

Correct Answer: Maharashtra and Gujarat

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