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

Retention time & Relative Retention time Definition & between difference? How to Calculate response factor(RF) & relative response factor(RRF)?

MSN Pharma, Titan,

3 20597

why are using toluene in uv calibraion in resolution performance

MSN Pharma,

2 11095

why we make titiration of Iron with EDTA ?

Cipla, Sitec Labs,

1 9080

why antharacene use hplc calibration

ITC Infotech,

1 3874

hardness of distilled water

CAPL, Parabolic,

1 5945

What is difference b/w IR&NIR

Apotex,

1 5797

Why does boiler drum ph maintain from 9.5 to 10.2

1 7812

What is the definition of water content or moisture content,what is the procedure going on w.c amalysis?

Cipla, KIYI,

1 11041

how can you determine a compound acidic or basic?

Celon Labs, Cipla,

2 10751

For LOD and LOQ determination which method is accurate? (slopemethod or s/n ratio method)

Reddy Labs,

4 11609

how to develop the shorter run time for pharmacopeial methods having 100 min run time?

Reddy Labs,

3 11137

How you start the method development of unknown compound.

1 5904

How to determine water content of bis tetrazole amine mono ammonium salt

3486

Is there any difference in principal of reverse phase and normal phase chromatography? and why? Please update. Thank and regard

MSN Pharma,

3 11346

Why Nitric acid can be stored in Aluminium containers?

1 6733

Un-Answered Questions { Chemistry }

Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?

706

how require to set assay concentration for standard and sample?

920

what are UV rays absorbs slightly?

2177

Why we are use glass viscometer, and what is calculation manual calculation formula as per USP. How many types of viscometre in glass type viscometer.

2345

Define dipole-dipole force?

1206

What are the inorganic material eliminated in Sulphated Ash

3336

Which form of Sucores is harmfull to humans ?

2306

Name the element which was used to make the first atomic bomb?

1068

Why we have to add 200mg Na2CO3 in preparation of 0.1N sodium thiosulfate solution?

1577

What is modern definition(iupac) of ph?

1242

What is protein - according to chemistry?

1189

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

675

Define an electro chemical cell. Give one example? : Electrochemistry Corrosion

1011

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

1191

What do you mean by redox reaction? : Electrochemistry Corrosion

929

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