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

How to prepare ppm solution of Nacl form its salt?

5 69216

is urea addition affecting the COD (chemical oxygen demand) & BOD (Biological oxygen demand)level? why?

3 11622

what is mean by assay?

6 21826

why we are doing seal wash and needle wash?

3 16278

which functional group we can detect in IR?

3 12454

what is mean by UOD?

2 11526

what is mean by content uniformity?

5 11023

today i am doing calibration of HPLC. when i inject the blank it was going on -ve.(bleow then zero) why?

3 10726

what are the sources in ELSD,PDA, RI and UV Detectors?

1 8204

process is feo,fe2o3 and fe3o4

1 5013

in karl fischer reagent which solvent is used for dissolving iodine sulphur dioxide and imidazole

Strides,

4 11534

what is a differance between assay by HPLC and assay by titration?

5 31234

what is PH of 0.1N Hcl, 0.01N Hcl & Mehanol.

3 48363

what is batch no. of prednisole tablet.

Dr Reddys,

8 17309

HOW RRF IS CALCULATED IN HPLC

2 12700

Un-Answered Questions { Chemistry }

How can I develope method of dissolution by HPLC OR UV

2415

what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?

10011

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

2230

What is the composition of ferroin?

1106

how to calibrate hplc & gc

4522

Explain the process of spontaneous combustion?

1040

Comosition of bell metal

1794

How do we fix the sample concentaryion in hplc method development. What is the basis?

1218

What are the types of insulators?

1036

how you establish the LOQ?

804

Explain the use of glacial acetic acid?

1114

How to caluclate %w/v& %w/w ple give examples solids&liquids 10%NAOH W/W 10%W/V- 20%HCL W/W &W/V

2506

What is acid anhydride of h2co3?

1024

wtat type quations will be sak in ongc exam?

3268

What is molar conductivity?

1055

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