Fertiliser Technology MCQs
Practice free Fertiliser Technology multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 275 questions — no login required.
Question 226easy
Triple superphosphate which contains about 46% P2O5 is produced by the reaction of phosphate rock with ortho phosphoric acid of ____ percent concentration.
Question 227easy
Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching?
Question 228easy
Reaction of phosphate rock with 98% H2SO4 produces
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Question 229easy
Phosphatic fertiliser is graded based on its __________ content.
Question 230easy
A potassic fertiliser contains 50% K2O. It could be
Question 231easy
Color of nitric acid is light yellow due to the presence of
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Question 232easy
Potassic fertiliser is graded based on its __________ content.
Question 233easy
Catalyst used in the manufacture of NH3 by Haber's process is finely divided
Question 234easy
Raw materials for urea production are