Fertiliser Technology MCQ Questions & Answers

11

Maximum stability of white phosphorous is at

A) Very high pressure B) Atmospheric pressure C) Room temperature D) >600°C

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Answer & Solution

Answer: Option D

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12

Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH₃

A) HNO₃ & limestone B) CO₂ & H₂SO₄ C) HNO₃ & NH₄Cl D) CO₂ & KNO₃

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Answer & Solution

Answer: Option A

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13

Fertilizer plant getting its hydrogen requirement partly from coke oven gas is situated at

A) Rourkela (under SAIL) B) Barauni (under HFC) C) Nangal (under NFL) D) Talchar (under FCI)

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Answer & Solution

Answer: Option A

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14

Main component of bone ash is

A) Calcium sulphate B) Calcium phosphate C) Calcium carbonate D) Sodium phosphate

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Answer & Solution

Answer: Option B

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15

NPK means a __________ fertiliser.

A) Mixed B) Potassic C) Liquid D) Solid

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Answer & Solution

Answer: Option A

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16

Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the __________ process.

A) Haber's B) Stengel C) Le-chatlier's D) Du-pont's

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Answer & Solution

Answer: Option B

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17

Biuret formation in urea is kept at minimum (< 1 %), because it is

A) Corrosive in nature B) Toxic and harmful to some crops C) Helpful in decomposition of urea D) Explosive in nature

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Answer & Solution

Answer: Option B

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18

Pick out the wrong statement.

A) Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water B) Apatite is the principal material present in phosphate rock which is chemically Ca₁₀(PO₄)₆(F, Cl, OH) C) Urea is more hygroscopic than ammonium nitrate D) Nitrogen fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound form

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Answer & Solution

Answer: Option C

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19

Ammonium sulphate fertiliser is

A) The highest concentration nitrogenous fertiliser B) The best fertiliser for paddy C) A basic fertiliser D) A neutral fertiliser

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Answer & Solution

Answer: Option B

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20

Chemical formula of metaphosphoric acid is

A) H₃PO₄ B) H₄P₂O₇ C) HPO₃ D) Same as that of pyrophosphoric acid

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Answer & Solution

Answer: Option C

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Fertiliser Technology MCQ Questions & Answers | Chemical Engineering