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Fertiliser Technology

Fertiliser Technology
Catalyst used in desulphurisation of naphtha is

Pt-Rh
Co-Mo
Nickel
Silica gel

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Fertiliser Technology
Steam reforming of naphtha is a source of hydrogen production for nitrogeneous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha?

0.62569444444444
1.5:1
0.41736111111111
3.5:1

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Fertiliser Technology
P₂O₅ percentage in the phosphoric acid produced by wet process is about

50
70
10
30

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Fertiliser Technology
Phosphoric acid is produced in wet process from phosphate rock and

Dilute H₂SO₄
Concentrated NHO₃
Concentrated HCl
Concentrated H₂SO₄

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Fertiliser Technology
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium

Carbonate
Phosphate
Bicarbonate
Silicate

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Fertiliser Technology
Potassic fertiliser is graded based on its __________ content.

K₂O
KCl
KNO₃
K₂SO₄

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