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Organic Chemistry Interview Questions
Questions Answers Views Company eMail

what is functionality of polymer? how can we get theoretical and practically?

Atul, Domax, Mohrish Pharmaceuticals,

1757

What is the accepted microbial load in APIs as per USP.........?

 1835

what are the checklist need to maintain in API manufacturing area as per USP requirements.......?

 2192

Purified water Microbial load limits as per USP..........?

 1 3646

why antharacene use hplc calibration

ITC Infotech,

1 2817

hardness of distilled water

CAPL, Parabolic,

1 4931

Why a Na lamp is used in a polarimeter ?

Akums, ZCL Chemicals,

1 2996

why are prepare daily working standard in ft ir

 2046

hplc assay limit 98.0 to 105 why

Aurobindo, Hetero,

2 12442

uv,ri,pda detactor principles ?

Aurobindo, Mankind, ZCL Chemicals,

1 3250

ex:this product used c18 column but same product used c8 column what happend ?

Hygro Chemicals,

2 5392

what are stereomers? how are they classified?

MSN, Reddy Labs,

2650

why we not use caffeine at 205nm for hplc calibration?

Alkem Labs,

2599

why we use 254nm for caffeine analysis as it having maxima at different wavelength?

Ahlcon Parenterals, Alkem Labs,

1 4014

whenever kf titration is done that time one result is high and second one lower  results what to do.

Invochem Laboratory, Laurus,

2 4205

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Un-Answered Questions { Organic Chemistry }

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?

1223

GIVE FTIR SAMPLING ASSESORY NAME.

1726

What is a proteic unit?

2053

why use of sulfuric acid in roi test in pharmaceutical industry

1657

why we need to synthesize impurities of midazolam

1603




Assuming that the density of the solution is the same as the density of water (density of water=1.000g/ml), calculate the mass of water for both reactions using: mass of water = Volume of water Density of water. Mass of water =

1864

How hydrate is forming along with API?

1622

What is the Difference Between 3M KCL and 4M KCL, WHy We are Filling 3M KCL In electrode Instead of 4M KCL

1509

What is the hybridization at nitrogen?

476

Explain the some importance of organic chemistry?

446

Arrange the following in their increasing polarity order Carboxylic acid, hydroxyl, phenyl, amino and aldehyde

1079

how to prepare the 0.001M tio2

1722

What is a repartition coefficient?

1693

what are stereomers? how are they classified?

2650

What is use of acetonitrile compare to methanol in RP-HPLC Method development?

1328

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