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Chemistry Interview Questions
Questions Answers Views Company eMail

why lactose has less charges when packed in steel containers when compared with packing of lactose in polyamide material?

 1750

why use of sulfuric acid in roi test in pharmaceutical industry

 1912

Theoretical and mechanism type of Interview based questions

GVK,

1 1687

Data was integrated with RRT CONCEPT OR Overlay with SSTchrmatogram concept which is better?

 1 2280

What is the Difference Between 3M KCL and 4M KCL, WHy We are Filling 3M KCL In electrode Instead of 4M KCL

Mylan,

1831

Chromatography

 1 1869

what is the difference between qualitative analysis and quantitative analysis and explain them?

Dr Reddys,

1 2568

In pickling process of titatium with HCL . how to know if the acid is not effective after pickling several batch. is there any test to know it. (not practically)

Olin Chlor Alkali,

1119

why disodium tartarate used in karl-fischer instrument ?.

Dishman,

1 2047

why does used dry caffien in HPLC calibration?

Dishman,

1555

Why we don't add Hcl, HNO3, H3PO4 in residue on ignition, why we add H2SO4

 1 3155

how we change 0.1N KmNo4 solution to 0.01N KmNo4 solution.

 1533

What is gelatinization?

Nestle,

1167

What is FFA, PV, and PAV value in oil.

Nestle,

1 3107

Why we check moisture,ash & AIA in product

 1391

Un-Answered Questions { Chemistry }

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

9419

Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

2127

What is the difference between Assay and Purity?

968

What is diffrence between extractable volume and deliverable volume? Answer pls

3914

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

349




What is similarity factor and its use in api strength?

780

Which parameters require to do in tech transfer?

262

WHAT IS THE USE OF STARTER ?????????

1897

The rate constant for the second order reaction is 0.54/M.s at 300oC. How long (in sec) would it take for the concentration of NO2 to decrease from 0.62M to 0.28 M? 2NO2(g) 2 NO(g) + O2(g)

2152

how require to interprit the method precision data of hptlc?

285

Why six unit used for precision?

794

How are ph and pka related?

618

What is the diffrence in japan mkt requirement in analytical method validation over US?

281

if you given one product then which tests you will perform?

310

What is the chemical composition of fat in human body?

651

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