__________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant.

Rock phosphate used for the production of phosphatic fertiliser is mined at

A

Amjhor (Jharkhand)

B

Talchar (Orissa)

C

Bailladella (M.P.)

D

Kiriburu (Bihar)

Phosphatic fertiliser is graded based on its __________ content.

A

P₂O₃

B

PCl₅

C

P₂O₅

D

H₃PO₄

A fertiliser plant is classified as a gas based fertiliser plant, when it uses __________ gas as a source of hydrogen for the manufacture of ammonia.

A

Coke oven

B

Producer

C

Natural

D

Coal

Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content.

A

N₂

B

KNO₃

C

NO₂

D

NHO₃

The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser.

A

Nitrogenous

B

Phosphatic

C

Potassic

D

None of these

NPK fertiliser is a __________ fertiliser.

A

Complex

B

Mixed

C

Nitrogenous

D

Phosphatic

Steel produced from phosphatic iron is __________ in nature.

A

Malleable

B

Ductile

C

Brittle

D

Tough

Ammonium phosphate is a __________ fertiliser.

A

Nitrogenous

B

Phosphatic

C

Complex

D

Mixed

Phosphatic fertilisers

A

Are useful during early stage of the plant growth

B

Accelerate fruit formation in later stages of growth

C

Lessen the effect of excessive nitrogen application

D

None of these

Which fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant?

A

Urea

B

CAN

C

Ammonium sulphate

D

Superphosphate

__________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant.

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