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mnsoomro
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Which compound is also known by the name of carbolic acid ?
A. C2H2OH B. H2CO3 C. C6H5OH D. H3PO3 Submitted by :- Jamil Ahmed
What is the percentage of nitrogen in ammonium sulphate?
21 27 23 19 Submitted by :- Muhammad Nawaz
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…