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Chemistry Interview Questions
Questions Answers Views Company eMail

What are the advantages of soapy detergents over soapless

 2 14393

what is mass spectra ? why it is necessary ?

 1 5162

difference between IR & NMR spectroscopy ?

 9 38499

what v define from IR & NMR spectroscopy ?

Sun Pharma,

2 7326

if v use HELIUM & ARGON instead of NITROGEN as a mobile phase what happen in GC SYSTEM ?

Cipla, Reddy Labs,

5 11699

what is relationship between absorption and transmittance in u.v.?

Orchid,

11 29906

why we are using polystyrene film for calibration of I.R spectroscopy?

Abbott, Andhra Organics, Intas, Kemwel, Reddy Labs, RRR, Veritas, Zydus Cadila,

12 61044

why we cannot analysis below 200nm in u.v?

 2 13450

what split ratio in gas chromatography.

Cipla, Glochem,

9 46572

what is the colour of protein casein? is it whitish or colourless?

Google,

1 3368

significane of detector wavelength accrucy in calibration of hplc

 1 5681

signifcance of detector lenearity in calibration f hplc

 3 7645

injection volume accruacy test i calibration of hplc

HLL,

3 18640

verification of wave number why you are use in IR calibration

 2 7074

control of resolution in calibration of IR

 3 8412

Un-Answered Questions { Chemistry }

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

1458

What is si unit of viscosity-coefficient?

616

in OSD forms require to use gas chromatography?

328

Barc in chemistry

838

which question ask me in grasim in inerview?

1745




Which wavelengths are visible to human eye?

701

What forms the basis for colorimetric determination?

716

What is the number of protons in an atom?

567

As a researcher working with Protactinium, what areas of study or applications would you be most interested in pursuing, and why?

114

what is %labelled amount in content uniformity of dosage unit and its calculation?

4622

Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?

2204

how much time require for day to prepare the ongc exam for evarage student?

2521

How is the measurement of ph made?

592

in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?

347

what is the relation between Total organic carbon and Chemical Oxygen demand?

2406

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