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Fertiliser Technology MCQs

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Practice free Fertiliser Technology multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 275 questions — no login required.

Question 19hard

Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits?

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Question 20hard

Fertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at

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Question 21medium

In an ammonia plant, the purge off is essential to

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Question 22medium

Which of the following is not a measure component necessarily to be present in fertilisers?

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Question 23medium

Color of nitric acid is light yellow due to the presence of

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Question 24medium

Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction.

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Question 25hard

Sodium tri poly phosphate (STPP) is chemically represented as

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Question 26hard

Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.

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Question 27hard

Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air.

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