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 5340

How to do regeneration of Metacarb Pb plus column?

2580

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 12776

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

Glenmark, MMC Health Care,

5 13722

why plane of polarized light rotated by opticaly active compunds?

Glenmark,

1 6330

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

Reddy Labs,

3 14375

why plane of polarized light rotated by opticaly active compunds?

Glenmark,

1 4416

why plane of polarized light rotated by opticaly active compunds?

Glenmark,

1 7778

Can any one tell what is RECALL OF PROCEDURES is

Macleods,

1 3612

what is the difference between capillary and glass column in GC

1 8229

how to do heavy metal test for colour sample?

Cipla,

1 5030

differance between L1 and L7 columns

Everest,

5 25653

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 21412

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 4948

what is mean by 21 cfr

1 6771

Un-Answered Questions { Chemistry }

What is the difference between spectro meter and spectro photo meter?

11507

what kind of question can be asked in interview for polarimeter related ?

5189

What is the monomer of polyethene?

1160

What is the difference between cracking, pyrolysis, destructive distillation, hydroforming, carbonization and dry distillation?

9804

Why Ethanol is Used for Standardization of GC Head space?

4231

What are the advantages of potentiometric titration?

1087

Explain how many moles of hcl are present in .70 l of a .33 m hcl solution?

1035

what is functionality of polymer? how can we get theoretical and practically?

2501

What is si unit of viscosity-coefficient?

1121

how the compound separate in coulunm,explain

2533

In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

3486

Protactinium-233 is used in the thorium fuel cycle. Explain how this cycle operates and its potential benefits in nuclear energy production.

679

What is the accepted microbial load in APIs as per USP.........?

2509

If combination product how require to identify which imp is of which api?

839

How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.

2584

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