FERTILISER TECHNOLOGY QUIZ

Reaction of cresylic acid with __________ produces tricresyl phosphate.

Ammonium phosphate

Phosphorous oxychloride

Phosphorous pentoxide

Calcium phosphate

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YOUR ANSWER : ?

Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber's process?

High pressure, high reactants concentration, low temperature

Low pressure, high reactants concentration, low temperature

High pressure, low reactants concentration, high temperature

High pressure, low reactants concentration, low temperature

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Triple superphosphate is chemically represented as

CaF₂.3Ca₃(PO₄)₂

Ca(PO₃)₂

Ca(H₂PO₄)₂

3Ca₃(PO₄)₂

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Promoter used in NH₃ synthesis catalyst is

U₂O₃

K₂O

SiO₃

V₂O₅

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Reaction of orthophosphoric acid with phosphate rock produces

Superphosphate

Triple superphosphate

Monoammonium phosphate

Metaphosphoric acid

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__________ is required more for leafy crops.

Carbon

Potassium

Phosphorous

Nitrogen

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Two gas based fertiliser plants are located in

Maharashtra and Orissa

Jharkhand and Chattisgarh

Maharashtra and Gujarat

Gujarat and Madhya Pradesh

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YOUR ANSWER : ?

__________ is the undesirable by-product produced in the manufacture of urea.

Biuret

Carbon dioxide

Ammonium carbamate

Ammonium carbonate

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Which of the following solvents is used for the extraction of H₃PO₄ from CaCl₂ solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching?

Iso propyl alcohol

Butyl alcohol

Hexane

Toluene

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Reaction of phosphate rock with 98% H₂SO₄ produces

Superphosphate

None of these

Orthophosphoric acid

White phosphorous

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YOUR ANSWER : ?