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Fertiliser Technology Online Exam Quiz

Important questions about Fertiliser Technology. Fertiliser Technology MCQ questions with answers. Fertiliser Technology exam questions and answers for students and interviews.

1. Rock phosphate constitutes mainly of

Options

A : fluorapatite

B : di-calcium phosphate

C : mono-calcium phosphate

D : di-ammonium phosphate

2. Nitrogen content of urea is about __________ percent.

Options

A : 10

B : 46

C : 80

D : 94

3. __________ is the most suitable fertiliser for paddy.

Options

A : Urea

B : Ammonium sulphate

C : Superphosphate

D : Potassium nitrate

4. Monte catini process is used for the manufacture of

Options

A : nitric acid

B : phosphoric acid

C : urea

D : calcium ammonium nitrate (CAN)

5. Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa)

Options

A : use coal for heating purpose.

B : gasify coal to get hydrogen from coal gas.

C : use coal as filler in fertiliser.

D : use coal as conditioner in fertiliser.

6. Catalyst used in ammonia synthesis uses __________ as a promoter.

Options

A : Pt

B : K 2 O

C : Al 2 O 3

D : Ni

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

Options

A : metaphosphoric acid

B : pyrophosphoric acid

C : no change in it

D : none of these

8. Commercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by

Options

A : steam reforming of naphtha and cracking of natural gas.

B : electrolysis of water.

C : cryogenic separation of hydrogen from coke oven gas.

D : all (a), (b) and (c)

9. Which of the following gasifiers can be attached to coal based fertiliser plants?

Options

A : Lurgi (high pressure) gasifier.

B : Kopper-Totzek gasifier.

C : Gasifier working at 20 atm.

D : Gasifier working at 40 atm.

10. Reaction of calcium fluorapatite with sulphuric acid produces

Options

A : ortho-phosphoric acid.

B : simple superphosphate.

C : triple superphosphate.

D : red phosphorous.

1. Which of the following is not a mixed fertiliser?

Options

A : Nitrophosphate

B : Calcium ammonium nitrate (CAN)

C : Ammonium phosphate

D : None of these

2. Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH 3

Options

A : HNO 3 & limestone

B : CO 2 & H 2 SO 4

C : HNO 3 & NH 4 Cl

D : CO 2 & KNO 3

3. Optimum reaction temperature in steam reforming of naphtha is __________ °C.

Options

A : 700 - 1000

B : 300 - 450

C : 1500-1700

D : 100-200

5. Rock phosphate used for the production of phosphatic fertiliser is mined at

Options

A : Amjhor (Jharkhand)

B : Talchar (Orissa)

C : Bailladella (M.P.)

D : Kiriburu (Bihar)

6. A nitrogenous fertiliser contains 20% N 2 . It could be

Options

A : ammonium nitrate.

B : calcium ammonium nitrate (CAN).

C : urea.

D : ammonium chloride.

7. Conversion achieved in HNO 3 synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by

Options

A : decreasing the pressure.

B : decreasing the temperature.

C : increasing the temperature.

D : none of these.

8. Formation of ammonium carbamate by reaction of NH 3 with CO 2 is a/an __________ reaction.

Options

A : catalytic

B : exothermic

C : endothermic

D : reversible

9. Which of the following is a natural inorganic fertiliser?

Options

A : Chile salt petre

B : Oilcake

C : Gobar mannure

D : None of these

10. Reaction of orthophosphoric acid with phosphate rock produces

Options

A : superphosphate

B : triple superphosphate

C : metaphosphoric acid

D : monoammonium phosphate

1. pH value of soil is maintained at __________ by the addition of fertiliser for optimum growth and health of the plant.

Options

A : 4-5

B : 7-8

C : 9-10

D : 12-13

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