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Chemistry Interview Questions
Questions Answers Views Company eMail

what is procedure of actual procedure for registration of drug?

1975

Can you please give a suitable definition and an example for understanding the words purity and potency.

Cipla, Malladi Drugs and Pharmaceuticals, Reddy Labs,

6 11294

What is column in chromatography?

Chembond Chemicals,

2199

Which Pharmacopiea follow calibration of HPLC,GC

Bayer, Reddy Labs,

3 10194

Why Holium cholorate used in UV Spectro photometer?

Reddy Labs,

7 11698

why we get negative values in uv when i placed sample which has some concetration but not in standard

Nirma,

1 5229

What is difference between LVT and RVT Viscometer?

Reckitt Benckiser,

7062

Why water not directed by FID detector 

Amoli Organics, Lupin,

2 6511

what is definition of validation? which components are followed give detail?

2322

how the compound separate in coulunm,explain

Wockhardt,

2483

What is the principle of HPLC?

Cipla, Lupin,

3 10055

Why methanol & acetonitrile is mostly used for hplc analysis?

DRL,

2 14556

Explain about empower software of analysing?

DRL,

1 5815

why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space

Raks Pharma,

2231

NIR wave length range how much

Aurobindo,

3 4874


Un-Answered Questions { Chemistry }

[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?

764


Which Formula Forms A Link Between The Thermodynamics And Electro Chemistry?

1105


What is intact assay method development.....?

2592


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

1717


In Dissolution Test why limit is define Q+5% what is the role of +5%.

3064


What are some common isotopes of Actinium, and how do they differ in terms of stability and uses?

631


in OSD forms require to use gas chromatography?

794


Which parameter require to do for analytical method equivalency?

751


Describe the role of Protactinium in neutron sources and its significance for research in nuclear physics.

534


HPLC in sequences analysis was taken wrong method and one blank & Standard is running so what to do

1210


Explain what is the net charge of a non-ionized atom?

1018


What are some of the polymers that you encounter every day? Describe their physical properties. : Polymer Chemistry

1091


what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?

1995


what is the structure of DOWEX-50

5479


whether ter weight is require when doing the water standerdisation

1973