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

in coupling reactions,why we are using cocatalistand what the use of tetrakis and dikis

1 4289

what is the differnce between GMP and CGMP

Shilpa Medicare,

7 37369

what is a drug?

Aurobindo,

11 21597

hi, i want last 10 years ongc exam recruitment papers for subject in chemistry ,genaralknowladge.

HCL,

2760

pls send me ongc privious entarnace exam papers

2235

What is the purpose of performing dissolution test on routine basis?

3 10185

different between LOD and M/C

4 15983

why in uv we take k value less than 1

2 10554

when we use pda detector in hplc instead of uv detector

Hetero,

6 25082

why we use holmiumperchlorate in calibrating uv

Aurobindo, DRL, MSN Pharma,

4 18329

why chiral compounds will rotate the plane polarized light in SoR.

GVK,

4 15065

what is meant by white gold?

5 8374

Why sulpuric acid only used to ROI but not used nitric acid and some other acids?

Cadila, Laurus, Ranbaxy,

7 32401

what is the difference between elctrefining and electrolysis?

2187

how we do assay of urea, ammonium sulpate, ammonium nitro pospate etc

Alembic,

1 3779

Un-Answered Questions { Chemistry }

What are modes of quantification in related substances

2115

if rsd failed then what require to do?

768

on saturation solubility study data how we can find out the bcs class of drug?

834

if your impurity coeluting with each other in that situation how require to set specification? is it acceptable?

908

How to fix the sample conc. in Related substances test by HPLC?

1033

What can be the supporter of combustion except oxygen.

2761

if you have given one product then how you determine the impurity in that?

691

What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.

2606

How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?

3825

What is fluidity of a liquid?

1039

What is gelatinization?

1578

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

2858

A ha tc is actual defination of retention time?

1560

What is the purpose of adding urea?

1340

Protactinium-231 decays to Uranium-235. How is this decay used in radiometric dating and the determination of geological ages?

518

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