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 9664

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

Atul, Domax, Mohrish Pharmaceuticals,

2502

WHY POTASSIUM DICROMATE USING IN UV CALIBRATION

Apotex, Micro Labs, Rene,

1 19354

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 3755

What is the Baseline in HPLC.

Teva API,

2 12427

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

Reddy Labs, Sun Pharma,

4 17810

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

Celon Labs,

5 15187

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

Biocon, Sun Pharma,

3 17651

What is the Calcultion of S/N Ratio.

2 11262

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

2509

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

2859

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

1 4844

Principle of HPLC in one sentance

Syngene,

8 19733

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

Aurobindo, ELBS, Vimta Labs,

5 14233

what is the balance drift?

Torrent Pharma,

2 11749

Un-Answered Questions { Chemistry }

What is chemical oxygen demand?

1058

is is advisable to give a Pewter finish n Stainless Steel ? State the Advantages & disadvantages.

2882

Define a triglyceride?

1013

Do all explosions produce carbon dioxide or carbon monoxide?

1118

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

1068

The use of vermilion on rubric of the Tartar Relation is confirmed by the presence of three lines attributed to HgS. Why should this diatomic have more than one vibrational line?

2660

Mention the formula to calculate ph of a solution?

1373

What is the difference between a heterogeneous and a homogeneous catalyst? What are some of the advantages of homogeneous catalysts? : Polymer Chemistry

1004

What does it mean for a molecule or a ligand to be "chiral"? What properties does chirality impart to a molecule? : Polymer Chemistry

1037

What is aggregate and fragments in SEC?

2112

How does Protactinium contribute to our understanding of Earth's history and the behavior of elements in natural systems?

603

Define oxidation potential and reduction potential? : Electrochemistry Corrosion

1200

WHY given much noise PDA dector then VWD Dector

2099

what is mean by extactable and leachable study?

1172

What is a repartition coefficient?

2468

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