Chemical Engineering - Fertiliser Technology

41. 

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

A. Potassium
B. Nitrogen
C. Phosphorous
D. Sulphur

Answer: Option D

Explanation:

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

42. 

Effectiveness of a fertiliser is independent of the

A. nature of soil
B. type of crop
C. pH of soil
D. none of these

Answer: Option D

Explanation:

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

43. 

Which nutrient in fertiliser makes the plant stems stronger and increases branching ?

A. Nitrogen
B. Phosphorous
C. Potassium
D. Calcium

Answer: Option B

Explanation:

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

44. 

Optimum reaction temperature in steam reforming of naphtha is __________ °C.

A. 700 - 1000
B. 300 - 450
C. 1500-1700
D. 100-200

Answer: Option A

Explanation:

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

45. 

Which of the following is a natural inorganic fertiliser ?

A. Chile salt petre
B. Oilcake
C. Gobar mannure
D. None of these

Answer: Option A

Explanation:

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