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 HPLC what is Single point threshold, peak purity index and minimum peak purity index? what should be consider for pure peak.

3 32131

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

2439

What is the brigg's raucher reaction?

2289

why the sucrose used in calibration of polarimeter

Neuland,

5 16346

what r the parts calibrated in gc

ELBS, Reddy Labs,

21 37780

acceptance criteria for ph meter, hplc detector,pump,injector,oven when we calibrate.

3 24698

is there any material other than caffene to calibrate hplc detector

Biocon,

13 29601

What is the difference between Chromatograhic Purity And Related substances

Cipla,

11 67630

who is our p.m.

ONGC,

2 5290

what is the difference between M.C and LOD

Aurobindo, Cipla, Laurus, Matrix, Synthokem Labs,

21 72036

what is the lamp used in SOR?

Aurobindo,

18 34396

What is the difference between Capillary column and Packed column.

Cipla, Hetero, Sun Pharma, Supreme Petrochem,

7 69336

whai is primary standard?

10 20259

why evolution select ATPin many places like metabolism and other places rather then GTP, TTP etc. and why GTP selected in activation of G-alfa in G protein signalling ??????

2199

what is the value of pH

Reddy Labs,

11 23881

Un-Answered Questions { Chemistry }

we shall use Dichloromethane in last stage of API.

3035

what is mean by dissolution biowaiver study?

856

Did anybody have method for acetyl cysteine effervescnce tablet

2206

What is acid anhydride of h2co3?

965

Differentiate between modern periodic table and mendeleevs table?

1105

As a chemist working with Actinium, what safety precautions and protocols would you follow due to its radioactive nature?

607

What is polar hcl?

1041

What is viod volume and peak purity in HPLC?

2821

How a balanced equation can be used to find the mass or volume of an unknown quantity in a stoichiometry?

2490

What are the products formed after cod analysis?

1256

What can you contribute to the company?

2606

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

1033

discuss the diffrent types of chromatography and their uses. In not more than 10 papers oc not less than 8 papers

2055

Why sodium hydroxide used for maintain pH of phosphate buffer

2337

what is the extinction coefficient for Indomethacin or at 319nm wave length.

4005

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