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 pKa value is more important than pH value of the mobile phase in HPLC?

1720

Many times I don't got a caffeine peak in calibration of hplc using guard column ❓

1748

For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?

1844

In Assy by potentio metry titration method how select MET U ,DET U, SET U,

2084

in sampling of raw material which side is pasted sampled labels

1784

why holium oxide prepared in 10% HCLO4 SOLUTION

1412

Why 162 mg NaOH used for 1N volumetric solution in 150 ml water then 54.5 ml diluted with 1000 ml

1844

What is the importance of rrf in rs by HPLC?

1 3145

Barc in chemistry

1310

Arrange by acidic values : phenol, nitrotolouene and o-cresol?

Flipkart, Wipro,

1028

What is the resulting solution when benzene and toluene are mixed ?

Flipkart, Wipro,

961

Which Formula Forms A Link Between The Thermodynamics And Electro Chemistry?

Godrej,

1086

Why use only methanol,used determinationof moisture content not use other solvents

1362

Why does a freely suspended magnetic needle always point North and South ?

1 1410

Explain the ANS Isotope?

1 1515

Un-Answered Questions { Chemistry }

What is glacial acetic acid? What are its uses?

1010

How is temporary hardness be removed?

1019

whether ter weight is require when doing the water standerdisation

1947

calibrtion procedue of LC-MS

2671

what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

2232

Why Ethanol is Used for Standardization of GC Head space?

4165

Actinium has potential applications in cancer treatment. Could you elaborate on how Actinium-225 is used in targeted alpha-particle cancer therapy?

603

Which parameter require to do for analytical method equivalency?

734

How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.

2257

Q1. Why did you enter the field of chemistry? Q2. What has motivated you to take chemistry as your professional subject and have you motivated anyone towards your field?

2246

if you get peak in blank then what require to do?

912

How to accelerate electron capture decay?

2313

Why are the titration involving edta carried out slowly towards the end point?

1149

HI, I AM SUNIL BISHNOI.I AM PREPARING FOR ISHRO ASTRONOTES EXAM.PLEASE TELL ME ALL ABOUT THIS.

2439

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

3825

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