Chemistry Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

General Chemistry (478)
Chemistry AllOther (190)

Chemistry Interview Questions

Questions Answers Views Company eMail

While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

2867

which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc

Hetero,

2163

In which cases factor of KF Reaget got higher side

2 6587

Why sucrose used in calibration of polarimeter

Lupin,

1 4506

what is the concept for adjustment of pH in HPLC buffer solution ? a. Common ion effect b. Counter ion effect and explain me, how we adapt this principles & what is the role of these principles in our method

Apex, Pentagon Labs,

1 3491

What is the difference between BD

1 3195

why water content test performed

1 6197

What is peak purity and response factor in chromatographic analysis? Why we required to find out response factor?

2 7361

What are modes of quantification in related substances

Hospira,

2163

what is the source of ir spectroscopy

CTX Life Sciences, Mylan,

2 7508

Difference Between End Cap HPLC Column and Non End Cap Column

2 14694

What precaution u take when doing rs preparing

DRL,

2133

Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

Petronas, Shanghai Ocean University,

1915

How would you decide dissolution medium for NCE compound of class I drug

2256

which gas is called laughing gas?

2 4867

Un-Answered Questions { Chemistry }

Consider the polymerization of vinylidene chloride, ch2=ccl2. What structural variations are possible in poly(vinylidene chloride)? : Polymer Chemistry

1507

Define electro plating and electroless plating? : Electrochemistry Corrosion

1057

How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample

3244

what is mean by dissolution hydrodynamics?

826

In the isomers,enantiomers give the only physical properties present such that no chemical properties present.

2221

[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?

795

Consider the polymerization of 1,2-dichloroethylene, h(cl)c=c(cl)h. What structural variations are possible in poly(1,2-dichloroethylene)? : Polymer Chemistry

1359

why require to add enzymes in capsules dissolution only? is it require to tablet also?

679

What is the composition of Barford Reagent?

2129

How is librated iodine estimated?

1092

what kind of question can be asked in interview for polarimeter related ?

5191

How do we fix the sample concentaryion in hplc method development?

1140

how to prepare for the exam of ongc please give some idea

21971

why we are using hexane in calibration of number of drop per mL

1739

In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

3486

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