FERTILISER TECHNOLOGY QUIZ

Red phosphorous is changed into white phosphorous by

Heating in presence of light

Melting under pressure

Vaporisation followed by condensation

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Phosphoric acid is produced in wet process from phosphate rock and

Concentrated NHO₃

Concentrated HCl

Dilute H₂SO₄

Concentrated H₂SO₄

TRUE ANSWER : ?
YOUR ANSWER : ?

Electric furnace method for production of phosphorous uses phosphate rock

And sulphuric acid

Silica and coke

And phosphoric acid

And coke

TRUE ANSWER : ?
YOUR ANSWER : ?

5-10-5 fertilisers mean that they contain

Only 5 to 10% active fertiliser constituents

None of these

5 to 10% filler & carrier of soil conditioners

5, 10, 5% respectively of N₂, P₂O₅ and K₂O

TRUE ANSWER : ?
YOUR ANSWER : ?

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

CO₂ & KNO₃

HNO₃ & NH₄Cl

HNO₃ & limestone

CO₂ & H₂SO₄

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in Haber's process for ammonia production is

Reduced iron oxide

Vanadium pentoxide

Silica gel

Nickel

TRUE ANSWER : ?
YOUR ANSWER : ?

Formation of ammonium carbamate by reaction of NH₃ with CO₂ is a/an __________ reaction.

Catalytic

Endothermic

Reversible

Exothermic

TRUE ANSWER : ?
YOUR ANSWER : ?

Monte catini process is a widely used process for the manufacture of

Calcium ammonium nitrate

Triple superposphate

None of these

Urea

TRUE ANSWER : ?
YOUR ANSWER : ?

Effectiveness of a fertiliser is independent of the

None of these

Type of crop

PH of soil

Nature of soil

TRUE ANSWER : ?
YOUR ANSWER : ?

Superphosphate is manufactured by reacting phosphate rock with

None of these

Acetic acid

Sulphuric acid

Aluminium chloride

TRUE ANSWER : ?
YOUR ANSWER : ?

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