FERTILISER TECHNOLOGY QUIZ

Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by

Absorption (using ethanolamine or pyragalloll solution)

None of these

Cryogenic operations (low temperature cooling)

Adsorption on palladium

TRUE ANSWER : ?
YOUR ANSWER : ?

Raw materials for nitric acid manufacture are

Anhydrous ammonia and air

Anhydrous ammonia, air and water

Hydrogen peroxide, air and water

Wet ammonia, air and water

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 for heating purpose

Use coal as conditioner in fertiliser

TRUE ANSWER : ?
YOUR ANSWER : ?

Low grade coal is __________ to produce ammonia synthesis gas.

Hydrogenated

Liquefied

Gasified

Dehydrogenated

TRUE ANSWER : ?
YOUR ANSWER : ?

Leaching of phosphate rock by strong __________ acid produces phosphoric acid.

Either A or B

Sulphuric

Hydrochloric

Neither A nor B

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in steam reforming of naphtha is

Nickel

Rhodium

Silica gel

Platinum

TRUE ANSWER : ?
YOUR ANSWER : ?

Calcium ammonium nitrate (CAN) is

A complex fertiliser

A mixed fertiliser

A straight fertiliser

Not a fertiliser ; it is an explosive

TRUE ANSWER : ?
YOUR ANSWER : ?

In the manufacture of H₃ PO₄ (ortho), ; strong H₂ SO₄ leaching wet process as compared to electric furnace process

Requires lower capital investment in the plant

Is very costly

Uses lower grade phosphate rock

Produces lower purity acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Reaction of phosphate rock with 98% H₂SO₄ produces

Orthophosphoric acid

None of these

Superphosphate

White phosphorous

TRUE ANSWER : ?
YOUR ANSWER : ?

Raw materials for urea production are

HNO₃ and CaCO₃

CO₂ and N₂

CO₂, H₂ and N₂

NH₃ and CO

TRUE ANSWER : ?
YOUR ANSWER : ?

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