FERTILISER TECHNOLOGY QUIZ

Sodium tri poly phosphate (STPP) is chemically represented as

Na₅P3O₁₀

Na₄P3O₈

Na₂PO₄

Na₃P4O₆

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ is required more for leafy crops.

Phosphorous

Nitrogen

Potassium

Carbon

TRUE ANSWER : ?
YOUR ANSWER : ?

Main component of bone ash is

Calcium phosphate

Calcium sulphate

Sodium phosphate

Calcium carbonate

TRUE ANSWER : ?
YOUR ANSWER : ?

Oxidation of ammonia is

Non-catalytic

Endothermic

Autocatalytic

Exothermic

TRUE ANSWER : ?
YOUR ANSWER : ?

A potassic fertiliser contains 50% K₂O. It could be

None of these

Potassium sulphate

A mixture of NaCl+ KCl

Potassium chloride

TRUE ANSWER : ?
YOUR ANSWER : ?

Urea is a better fertilizer than ammonium sulphate, because

It is easy to manufacture

Nitrogen content is higher

It is cheaper

It is not poisonous

TRUE ANSWER : ?
YOUR ANSWER : ?

Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa)

Use coal as filler in fertiliser

Gasify coal to get hydrogen from coal gas

Use coal as conditioner in fertiliser

Use coal for heating purpose

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a mixed fertiliser?

None of these

Calcium ammonium nitrate (CAN)

Nitrophosphate

Ammonium phosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Fertiliser produced during soda ash manufacture by dual process is ammonium

Nitrate

Sulphate

Chloride

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following does not come under the category of'primary nutrient' for plant growth?

Phosphorous

Sulphur

Nitrogen

Potassium

TRUE ANSWER : ?
YOUR ANSWER : ?

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