What is the percentage of nitrogen in ammonium sulphate?
- 21
- 27
- 23
- 19
Submitted by :- Muhammad Nawaz
mnsoomro
Which alcohol will undergo elimination reaction to give alkene in the presence of acidic potassium dichromate ?
A. Primary alcohol
B. Secondary alcohol
C. Tertiary alcohol
D. All of above
Submitted by :- Jamil Ahmed
What is the percentage of nitrogen in ammonium nitrate?
- 80-82
- 50-55
- 20-25
- 32-35
Submitted by :- Muhammad Nawaz
K2Cr2O7/H2SO4 generate____________________?
A. Oxygen
B. Hydrogen
C. Nascent oxygen[O]
D. Nascent hydrogen[H]
Submitted by :- Jamil Ahmed
The process of fermentation of starch involve many enzymes the sequence of enzymes used are____________________?
A. Diastase-maltase-zymase
B. Zymase-maltase-diastase
C. Maltase-diastase-zymase
D. Diastase-zymase-maltase
Submitted by :- Jamil Ahmed
Which is the best/balanced fertilizer?
- Potash fertilizer
- NPK fertilizer
- Phosphatic fertlizer
- All above
Submitted by :- Muhammad Nawaz
The residue obtained after the crystallization of sugar from concentrated sugar cane juice is called__________________?
A. Mother liquor
B. Filtrate
C. Extract
D. Molasses
Submitted by :- Jamil Ahmed
What is the percentage of P2O5 in triple superphosphate?
- 42-46
- 16-20
- 13-19
- None of these
Submitted by :- Muhammad Nawaz
Which one of the following is also known as tartaric acid ?
A. 2 3-dihydroxy butance 1 4 -dioic acid
B. 2 3 -dihydroxy butanedioic acid
C. 2 3 -dihydroxy butanioc acid
D. 2 2 -dihydroxy butanoic acid
Submitted by :- Jamil Ahmed
Which nutrients are required in very small amount for the normal growth of plants?
- Nitrogenous fertilizers
- Phosphorus fertilizer
- Micronutrients
- All of the above
Submitted by :- Muhammad Nawaz