Fertiliser Technology - Chemical Engineering Questions and Answers

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Ammonium phosphate is a __________ fertiliser.

Nitrogenous

Phosphatic

Complex

Mixed

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the

Osmotic pressure of the soil water becomes less than that of the plant sap

Soil becomes too alkaline

Osmotic pressure of the soil water becomes higher than that of the plant sap

Soil becomes too acidic

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?

Water

Naphtha

Tar

Coal/coke oven gas

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

__________ catalyst is used in the production of urea from CO₂ and NH₃.

Vanadium pentoxide

Alumina

Nickel

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Nitrolime is chemically known as

Calcium nitrate

Ammonium nitrate

Calcium ammonium nitrate (CAN)

None of these

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Which is the most suitable fertiliser for paddy?

CAN

Ammonium sulphate

Ammonium nitrate

Superphosphate

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Urea is formed only

In liquid phase

In vapour phase

At very high temperature

At very low pressure (vacuum)

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Urea is represented as

NH₂.CO.NH₂

NH₃CO.CH₃

NH.CO₂.NH

NH₃.CO₂.NH₃

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous.

Salt & coke

Sand & coke

And coke

And sand