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

what is difirence b/w ROI&ROE

Pfizer,

1 9777

what is functionality of polymer? how can we get theoretical and practically?

Atul, Domax, Mohrish Pharmaceuticals,

2579

WHY POTASSIUM DICROMATE USING IN UV CALIBRATION

Apotex, Micro Labs, Rene,

1 19452

HOW DOES THE WATER MOLECULES ON CLOTHES EVAPORATES WHEN DIRECT HEAT IS NOT APPLIED BUT CLOTH IS STRECHED AND AIR IS PROVIDED? HINT:THIS METHOD IS USED IN MANY HOMES TO DRY UP THE CLOTHE WHEN DUE TO SOME CONDITIONS DIRECT SUNLIGHT IS NOT PROVIDED.

1 3833

What is the Baseline in HPLC.

Teva API,

2 12557

Why dst is used in kf for factor determination less than 1

Reddy Labs, Sun Pharma,

4 17988

why should we calibrate pH meter with 4,9.2 and 7.4 buffers particularly?

Celon Labs,

5 15461

why inject diluted standard solution in related substance analysis by HPLC?

Biocon, Sun Pharma,

3 17860

What is the Calcultion of S/N Ratio.

2 11379

What is the accepted microbial load in APIs as per USP.........?

2568

what are the checklist need to maintain in API manufacturing area as per USP requirements.......?

2938

Purified water Microbial load limits as per USP..........?

1 4913

Principle of HPLC in one sentance

Syngene,

8 20039

Why are using in Hi,zero air, Ni gass are used GC

Aurobindo, ELBS, Vimta Labs,

5 14447

what is the balance drift?

Torrent Pharma,

2 11872

Un-Answered Questions { Chemistry }

using gradient pressure in gas chromatography are not ?using gradient pressure why

3447

composition of brass

1973

Why ph scale range is 14?

1171

What is equivalent conductivity?

1290

what is silicon chip

2155

Which parameters require to do in tech transfer?

827

what is mean by dissolution hydrodynamics?

893

What is bed worth rule? : Electrochemistry Corrosion

1096

What is the role of mercuric sulphate?

1162

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

739

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

2343

What forms the basis for colorimetric determination?

1237

For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?

4139

How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

3273

AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

2116

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