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

for which type of applications gas chromatography is used?

Cipla, Flamingo Pharmaceuticals,

5 11417

wat is reverse phase in hplc

2 8854

In Bulkdensity What is the difference between USP-I and USP- II

Reddy Labs,

1 5029

what happens to the unit particles of a solute when it dissolves on a liquid?

2165

How do you explain the different solvent power of water and other organic solvent?

Asian Paints,

2682

graphaite has higher melting point than fularine

2963

why watermelon is red

4 7452

what is the identification test for sodium tertiary butoxide

Cipla,

1 5822

who is minister of railoway

HKL,

1 3193

For Dissolution test why we are Performing 6 Bowls why not more.any were mentioned or in what basis we are performing? --------Veerabhadrarao.M

Lee Pharma, Micro Labs,

2 12165

In Number of Theoretical Plates (N) = 16 (tr/w)2. where tr: retention time, and W: peak width. My Question is here in formula what is 16.Can u explain briefly? ---Veerabhadrarao.M

Micro Labs, Richter Themis, Sun Pharma,

3 19481

What is the principle of EDTA titration?

2 22785

how to Calibrate FID IN GC

1 7386

what is assay in hplc

3 11746

hello dears, I am going to make briquttes from coal dust and i want a good binder for it to very cheap and strong if you guys have any edea that helps me pleas answer,

Cipla,

1 4526

Un-Answered Questions { Chemistry }

what is the principle involved in turbidometry and nephelometry ?

4130

What is the unit of ph?

983

please explain about aluminium hydroxide assay

1096

how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.

2260

How does Protactinium contribute to our understanding of Earth's history and the behavior of elements in natural systems?

562

What is control room temperature and which guide line says?

1602

Why is ammonia added? Why is that same amount of ammonia added?

963

Explain the process of protactinium-uranium fractionation and its implications for understanding geological and geochemical processes.

652

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

1100

how you start the solubility study?

785

Define Vulcanization?

1120

Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?

2937

If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

820

Name the branch of chemistry that deals with the relationship between electricity and chemical reactions?

1165

How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?

3836

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