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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 1
1.
Phosphorus vapour comprises of
P
P2
P3
P4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air.
50-80
250-400
1000-1200
800-900
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Commercial fertilisers are available mostly in the form of
powder
grannules
lumps
flakes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Pick out the wrong statement.
All the nitrogenous fertilisers are not soluble in water.
A straight fertiliser contains only one nutrient.
Calcium cynamide is used as weed killer in onion fields.
The phosphorous nutrient makes the plant stem stronger and increases its branches.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Ammonia synthesis gas is produced from natural gas by
thermal cracking
steam reforming
partial oxidation
hydrogenation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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