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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 4
11.
Heating of coke, sand & phosphate rock in an electric furnace is done for the manufacture of
phosphoric acid.
superphosphate.
phosphorous.
triple superphosphate.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Which of the following does not come under the category of 'micro-nutrient' for plant growth?
Chlorine
Iron
Boron
Carbon
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The composition of fresh feed to the high temperature, high pressure urea autoclave is
excess liquid ammonia and liquefied CO2.
excess liquid ammonia and compressed CO2 gas.
liquid ammonia and excess compressed CO2.
compressed ammonia gas and excess compressed CO2.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
__________ is required more for leafy crops.
Nitrogen
Phosphorous
Potassium
Carbon
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the
osmotic pressure of the soil water becomes less than that of the plant sap.
soil becomes too alkaline.
osmotic pressure of the soil water becomes higher than that of the plant sap.
soil becomes too acidic.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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