FERTILISER TECHNOLOGY QUIZ

Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction.

Catalytic

Endothermic

Exothermic

Autocatalytic

TRUE ANSWER : ?
YOUR ANSWER : ?

Reaction of __________ acid with phosphate rock produces superphosphates.

Nitric

Phosphoric

Hydrochloric

Sulphuric

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in the oxidation of ammonia is

Cobalt-molybdenum

Platinum-beryllium

Platinum-rhodium

Platinum-molybdenum

TRUE ANSWER : ?
YOUR ANSWER : ?

Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process.

Autocatalytic

Endothermic

Non-catalytic

Exothermic

TRUE ANSWER : ?
YOUR ANSWER : ?

Triple superphosphate is chemically represented as

3Ca₃(PO₄)₂

Ca(PO₃)₂

Ca(H₂PO₄)₂

CaF₂.3Ca₃(PO₄)₂

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Calcium

Magnesium

Sulphur

Oxygen

TRUE ANSWER : ?
YOUR ANSWER : ?

Potassic fertiliser is graded based on its __________ content.

K₂O

KCl

K₂SO₄

KNO₃

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Low pressure, high reactants concentration, low temperature

High pressure, low reactants concentration, low temperature

High pressure, high reactants concentration, low temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium

Silicate

Bicarbonate

Carbonate

Phosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ is required more for leafy crops.

Potassium

Carbon

Nitrogen

Phosphorous

TRUE ANSWER : ?
YOUR ANSWER : ?