FERTILISER TECHNOLOGY QUIZ

5-10-5 fertilisers mean that they contain

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

5 to 10% filler & carrier of soil conditioners

Only 5 to 10% active fertiliser constituents

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because

It is a liquid at room temperature

Its nitrogen content is very less

It is highly acidic in nature

It is hygroscopic and explosive in nature

TRUE ANSWER : ?
YOUR ANSWER : ?

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

None of these

Nitrogenous fertilisers

Potassic fertiliser

Phosphatic fertilisers

TRUE ANSWER : ?
YOUR ANSWER : ?

Iron is not used alone as a catalyst in ammonia synthesis, because

None of these

It gets oxidised above 500°C

Its activity declines rapidly, if heated to above 520°C

It decomposes ammonia

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Endothermic

Exothermic

Reversible

Catalytic

TRUE ANSWER : ?
YOUR ANSWER : ?

Triple superphosphate is made by reacting phosphate rock with __________ acid.

Sulphuric

Hydrochloric

Phosphoric

Nitric

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is the best fertiliser for paddy?

Nitro-phosphate

Superphosphate

Ammonium sulphate

Potassium nitrate

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in ammonia synthesis uses __________ as a promoter.

Pt

K₂O

Ni

Al2O₃

TRUE ANSWER : ?
YOUR ANSWER : ?

I argest capacity nitrogenous fertiliser plants (2700 tons of NH₃ per day) (2 Nos) in India are located at

Talchar (Orissa) and Ramagundam (A.P.) both under FCI

Thal-Vaishet (under RCF in Maharashtra) and Hazira (under IFFCO in Gujarat)

Korba (M.P.) and Talchar (Orissa) both under FCI

Haldia (W.B) and Namrup (Assam) both under HFC

TRUE ANSWER : ?
YOUR ANSWER : ?

Maximum stability of white phosphorous is at

Room temperature

Very high pressure

Atmospheric pressure

>600°C

TRUE ANSWER : ?
YOUR ANSWER : ?