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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 4
21.
Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil.
nutrient supply
texture
water holding capacity
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Plant tranquillisers
hold back stem growth and halt plants at a desired height.
cause early maturation of plants.
accelerate ripening of food and grain.
produce seedless fruit.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Dehydration of ammonium carbamate to yield urea is a/an __________ reaction.
exothermic
endothermic
autocatalytic
catalytic
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Triple superphosphate which contains about 46% P2O5 is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration.
25-28
52-54
75-80
> 98
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
NPK means a __________ fertiliser.
mixed
potassic
liquid
solid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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