Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst.

Fertiliser Technology
Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst.

Stabilisation

All of these

Improving the strength & heat resistance

Increasing the effectiveness

Stabilisation

All of these

Improving the strength & heat resistance

Increasing the effectiveness

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Fertiliser Technology
Phosphatic fertilisers

Lessen the effect of excessive nitrogen application

Accelerate fruit formation in later stages of growth

None of these

Are useful during early stage of the plant growth

Lessen the effect of excessive nitrogen application

Accelerate fruit formation in later stages of growth

None of these

Are useful during early stage of the plant growth

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Fertiliser Technology
Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in

Biuret formation

Non-spherical prills

Substantially wet non-flowing and sticky product

Low bulk density product

Biuret formation

Non-spherical prills

Substantially wet non-flowing and sticky product

Low bulk density product

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Fertiliser Technology
__________ is the most suitable fertiliser for paddy.

Ammonium sulphate

Urea

Potassium nitrate

Superphosphate

Ammonium sulphate

Urea

Potassium nitrate

Superphosphate

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

Baroda (under G.S.F.C.)

Sindri (under FCI)

Bokaro (under SAIL)

Rourkela (under SAIL)

Baroda (under G.S.F.C.)

Sindri (under FCI)

Bokaro (under SAIL)

Rourkela (under SAIL)

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

Reversible

Catalytic

Exothermic

Endothermic

Reversible

Catalytic

Exothermic

Endothermic

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Fertiliser Technology

Fertiliser Technology Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst.

Fertiliser Technology Phosphatic fertilisers

Fertiliser Technology Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in

Fertiliser Technology __________ is the most suitable fertiliser for paddy.

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

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

Fertiliser Technology
Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst.

Fertiliser Technology
Phosphatic fertilisers

Fertiliser Technology
Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in

Fertiliser Technology
__________ is the most suitable fertiliser for paddy.

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

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