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 Categories >> Sciences >> Chemistry >> Organic Chemistry
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Question Asked @ Answers Views     Select
How will you separate isomers?    1  5
Difference between calibration and validation    0  7
why we use holomium oxide for UV calibration ?    0  8
What is principle of polarimetre    0  20
Explain What is a base line in GC and HPLC?    1  78
When we get Moisture content by KF higher than by LOD, what does this indicate?    1  65
What is use of acetonitrile compare to methanol in RP-HPLC Method development?    0  36
Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and appearance? suggest?    0  36
What is deference between the working standard and reference standard?    0  35
Distinguish b/w CH3CHO and CH3COCH3 on the basis of IR?    1  229
what are the reasons to get the low transmittansE in FTIR    2  377
What is the principle of gas chromatography ?    2  536
what are the differences between assay procedures and estimation in chemical analysis? also what is the equivalent factor that we consider in assay analytical procedures?    0  163
why nitrile are least reactive of carboxylic acid derivative    1  455
What Is the mechanism of pyridine and methanol .what products produce    1  525
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Un-Answered Questions
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hi friends, dis is ramana reddy.i have been workining in bulk drugs as QC chemist.i would like 2 change d company.i want sample RESUME,OFFER LETTER,APPOINTMENT LETTER,PAY SLIP.if any body has these documents,pls send 2 my mail id i.e 618
Which form of Sucores is harmfull to humans ? 672
we shall use Dichloromethane in last stage of API. 1038
discuss the diffrent types of chromatography and their uses. In not more than 10 papers oc not less than 8 papers 448
what things are suitable for investigatory project? 1127
How do you explain the different solvent power of water and other organic solvent? 741
wtat type quations will be sak in ongc exam? 1435
why we need to synthesize impurities of midazolam 568
chlorination of methane is possible and a mixture of products are obtained. Is flourination and Bromination of methane is possible? 206
what are the checklist need to maintain in API manufacturing area as per USP requirements.......? 1115
What are acounting Pi electron's? 516
what is stero electronic factor.2 what is steric control factor and what is product control factor 561
hi friends, dis is ramana reddy.i have been workining in bulk drugs as QC chemist.i would like 2 change d company.but our company didn't give d OFFER LETTER,APPOINTMENT LETTER,PAY SLIP.if any body has these documents along with sample RESUME,pls send 2 my mail id i.e 1198
sir, what does happen ............? naphthal+benzene(or)toluee........> ? 570
What is a proteic unit? 877
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