Chemical Engineering - Fertiliser Technology

21. 

Potassic fertiliser is graded based on its __________ content.

A. KCl
B. K2O
C. KNO3
D. K2SO4

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

22. 

Monte catini process is used for the manufacture of

A. nitric acid
B. phosphoric acid
C. urea
D. calcium ammonium nitrate (CAN)

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

23. 

Promoter used in NH3 synthesis catalyst is

A. K2O
B. SiO3
C. V2O5
D. U2O3

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

24. 

H4P2O7 is the chemical formula of __________ phosphoric acid.

A. pyro
B. ortho
C. meta
D. none of these

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

25. 

Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because

A. it is hygroscopic and explosive in nature.
B. it is highly acidic in nature.
C. it is a liquid at room temperature.
D. its nitrogen content is very less.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.