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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 3
36.
Leaching of phosphate rock by strong __________ acid produces phosphoric acid.
sulphuric
hydrochloric
either (a) or (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
In natural gas, the C/H ratio (by weight) varies in the range of
3-4
8-10
15-17
20-25
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth ?
Nitrogeneous fertiliser
Potassic fertiliser
Phosphatic fertiliser
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber's process ?
High pressure, low reactants concentration, high temperature.
High pressure, low reactants concentration, low temperature.
High pressure, high reactants concentration, low temperature.
Low pressure, high reactants concentration, low temperature.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
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
low bulk density product
biuret formation
non-spherical prills
substantially wet non-flowing and sticky product
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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