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

Is it necessary to inject three replicate for accuracy in AMV.

1 3967

Which is the best mobile phase to separate organic acids using C8 column. And how should the samples be prepared for hplc?

Biocon,

1 5094

What is the acceptance criteria for moisture balance when calibrated with sodium sulfate

2038

why 0.1M OR 1M Perchloric acid standardisation done after 24 hours?

Cipla,

1 6629

What about karl fischer reaction mechanism ?

Aurobindo, Mylan,

2 7148

In IR spectra, generally a molecule vibrates without apply emr or ir light?

1977

Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

IDA,

1855

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

3242

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

Aspiro,

1739

What attracted you to analytical chemistry?

1815

what is the difference b/w water content & moisture content

Dr Reddys,

3 6739

what is the detector used in ir spectroscopy

Dr Reddys,

1 2448

which procedure we follow if 6th month of accelerated sample fail?

Dr Reddys,

1 4604

What is third generation HPLC Columns?

Emcure,

1981

what is third integration

Orchid,

1975

Un-Answered Questions { Chemistry }

why we should take dst factor for below 1%moisture samples

2666

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

679

cefoperozone and sulbactam inj. hplc test method

2691

Loss of linearity in tkn analysis, possible reasons?

1317

please explain about aluminium hydroxide assay

1132

We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy

1906

What is wave length?

981

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

1246

Mention a few advantages of photoelectric colorimetric determination.

1381

What is the white precipitate produced at the end of point?

998

Discuss the role of Protactinium in accelerator-driven systems and its potential for transmutation of nuclear waste.

675

What is the reaction that occurring between fas and potassium dichromate?

1280

Sir, please give me previous year question paper for RRB for the post CHEMICAL AND METALLOGICAL ASSISTANT.

2717

wtat type quations will be sak in ongc exam?

3259

what things are suitable for investigatory project?

2733

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