Fertiliser Technology

Question: Chemical formula of biuret is
[A].

NH2.CO.NH2

[B].

NH3.COO.NH3

[C].

NH2CONHCONH2

[D].

NH4COONH2

Answer: Option C

Explanation:

No answer description available for this question.

Question: Nitrolime is chemically known as
[A].

calcium nitrate

[B].

ammonium nitrate

[C].

calcium ammonium nitrate (CAN)

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Question: Leaching of phosphate rock by strong __________ acid produces phosphoric acid.
[A].

sulphuric

[B].

hydrochloric

[C].

either (a) or (b)

[D].

neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

Question: __________ is the undesirable by-product produced in the manufacture of urea.
[A].

Ammonium carbonate

[B].

Biuret

[C].

Carbon dioxide

[D].

Ammonium carbamate

Answer: Option B

Explanation:

No answer description available for this question.

Question: Fertiliser produced during soda ash manufacture by dual process is ammonium
[A].

chloride

[B].

sulphate

[C].

nitrate

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: __________ is the most suitable fertiliser for paddy.
[A].

Urea

[B].

Ammonium sulphate

[C].

Superphosphate

[D].

Potassium nitrate

Answer: Option B

Explanation:

No answer description available for this question.

Question: Catalyst used in ammonia synthesis uses __________ as a promoter.
[A].

Pt

[B].

K2O

[C].

Al2O3

[D].

Ni

Answer: Option B

Explanation:

No answer description available for this question.

Question: Ammonium nitrate (a fertiliser) is coated with limestone powder to
[A].

increase its nitrogen content.

[B].

cut down its production cost.

[C].

avoid the risk of explosion.

[D].

add extra nutrient as fertiliser.

Answer: Option C

Explanation:

No answer description available for this question.

Question: During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH3 to NO is about __________ percent.
[A].

38

[B].

68

[C].

82

[D].

98

Answer: Option D

Explanation:

No answer description available for this question.

Question: A fertiliser contains 82% N2. It could be
[A].

urea

[B].

liquid NH3

[C].

ammonium nitrate

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.