3553. Which of the following is not a mixed fertiliser?
Nitrophosphate
Calcium ammonium nitrate (CAN)
Ammonium phosphate
None of these
✅ The correct answer is option B.
3523. In the manufacture of urea, the intermediate chemical formed is
Biuret
Ammonium carbamate
Ammonium carbonate
None of these
✅ The correct answer is option B.
3527. Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH₃
HNO₃ & limestone
CO₂ & H₂SO₄
HNO₃ & NH₄Cl
CO₂ & KNO₃
✅ The correct answer is option A.
3533. Ammonium sulphate fertiliser is
The highest concentration nitrogenous fertiliser
The best fertiliser for paddy
A basic fertiliser
A neutral fertiliser
✅ The correct answer is option B.
3538. Monte catini process is a widely used process for the manufacture of
Urea
Calcium ammonium nitrate
Triple superposphate
None of these
✅ The correct answer is option A.
3540. Nitrolime is
Calcium nitrate
Calcium ammonium nitrate
A mixture of nitric acid and lime
A mixture of ammonium nitrate and calcium nitrate
✅ The correct answer is option B.
3543. Superphosphate is manufactured by reacting phosphate rock with
Acetic acid
Sulphuric acid
Aluminium chloride
None of these
✅ The correct answer is option B.
3547. Main component of bone ash is
Calcium sulphate
Calcium phosphate
Calcium carbonate
Sodium phosphate
✅ The correct answer is option B.
3556. With increases in pressure, the conversion of ammonium carbamate into urea
Increases
Decreases
Remains unaltered
Can either increase or decrease depends on biuret content
✅ The correct answer is option A.
3525. Commercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by
Steam reforming of naphtha and cracking of natural gas
Electrolysis of water
Cryogenic separation of hydrogen from coke oven gas
All of the above
✅ The correct answer is option D.