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

why we can use only 4 and 7 and 9 buffers in pH calibration

1 5252

How to do regeneration of Metacarb Pb plus column?

2518

we calibrate HPLC once in 6 months while iam doing calibration i came to know that calibration was failed. then how can i justify that the samples analyzed on the system during this 6 months was wright? how can i forward in to the next step for those batches?

5 12562

What is the solvent/material used to balance spirit level in analytical balance?

Glenmark, MMC Health Care,

5 13526

why plane of polarized light rotated by opticaly active compunds?

Glenmark,

1 6238

why do we use around only 60 mg of K2cr2o7 in the UV calibration -control of absorbance test?

Reddy Labs,

3 14188

why plane of polarized light rotated by opticaly active compunds?

Glenmark,

1 4310

why plane of polarized light rotated by opticaly active compunds?

Glenmark,

1 7712

Can any one tell what is RECALL OF PROCEDURES is

Macleods,

1 3522

what is the difference between capillary and glass column in GC

1 8162

how to do heavy metal test for colour sample?

Cipla,

1 4930

differance between L1 and L7 columns

Everest,

5 25410

what is basc principle of the HPLC,IR,UV AND GC? what is difference between diffusion spectra and transmision spectra in IR?

Cadila, Dr Reddys, GICC, Mylan, Sygene, Torrent Pharma, Zydus Cadila,

1 21309

plz tall me that any pharmacopeia and guideline is par meted to use 1.68,4.01,7.00,9.00,12.45 buffer for ph meter calibration

Torrent Pharma,

2 4824

what is mean by 21 cfr

1 6663

Un-Answered Questions { Chemistry }

Define dipole-dipole force?

1119

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

1142

Tell me how many significant figures are there in the number 0.0036?

994

Protactinium has potential applications in nuclear reactors. Could you elaborate on its role in enhancing reactor efficiency or safety?

598

Can we consider in purity angel

1773

Why are use silicon oil mr?

1155

In which situation we require to prepare the standard solution from sample in Related substance method?

714

in which situation ion pair agent require to use?

680

Which form of Sucores is harmfull to humans ?

2244

Write the significance of electrochemical series? : Electrochemistry Corrosion

933

What is the calibration of uv process and preparation

1942

mahagenco syllabus for the post of chemist

6429

how to calibrate hplc & gc

4464

What is kentchin?

987

could negative ions be produced by bombardment process in mass spectrometry?

1725

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