1. In the manufacture of urea, the intermediate chemical formed is Biuret Ammonium carbamate Ammonium carbonate None of these ✅ The correct answer is option B.
2. Nitro-phosphate (manufactured at Trom-bay) is a __________ fertiliser. Mixed Complex Highly hygroscopic Highly explosive ✅ The correct answer is option B.
3. 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.
4. Ammonium sulphate can be produced by reacting gypsum with Ammonia Ammonium carbonate Nitric acid None of these ✅ The correct answer is option B.
5. 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.
6. Both white phosphorous as well as red phosphorous Are soluble in CS₂ Burns when heated in air Reacts with hot caustic soda solution to give phosphine All of the above ✅ The correct answer is option B.
7. 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.
8. The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser. Nitrogenous Phosphatic Potassic None of these ✅ The correct answer is option B.
9. 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.
10. Ammonia synthesis gas is produced from fuel oil by Steam reforming Hydrocracking Partial oxidation Hydrogenation ✅ The correct answer is option C.