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

when we have polar type of sample and solvnt hen which type of stationry phase we have to use

3 7777

what is motor rotation in case of sucrose

1 4683

why equlirium conatant of water have 14 value

GVK Biosciences,

1 3306

wen v have polr solvent then which type of column use in hplc

2 8333

What is Threshold in hplc?

Hetero,

2 20785

What do you mean by UV cut off limit

Cipla,

1 5594

Why we use Caffeine in hplc calibration

Emcure, Laurus,

2 13715

what is the meaning of stress study?

Reddy Labs,

2 5412

what is the difference between potentiometric assay and hplc assay

Parabolic,

2 18747

why we are using buffer solutionas as a mobile phase in hplc.

2 11712

importance of internal standard and in what conditions it is used?

1 4809

If Concentrated HCl... Already 37%... So, How to prepare 10% HCl from Conc. HCl (37%)?

Manish Pharma, MOL, S S Pharmachem,

7 20039

how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,

2655

how to select short coloum and long coloumn for new molecule

Rampex Labs,

2533

what is poarimeter, why it is used in pharma,and explain briefly about polarimeter?

GVK,

3 11110

Un-Answered Questions { Chemistry }

which question ask me in grasim in inerview?

2288

Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

3032

What is glacial acetic acid? What are its uses?

1119

for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol

6151

Define a triglyceride?

1073

What is the calibration of uv process and preparation

2049

Give the IUPAC name for [Co(NH3)5SO4]Cl

1317

how the compound separate in coulunm,explain

2601

what is mean by extactable and leachable study?

1233

Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?

2311

What is si unit of viscosity-coefficient?

1173

Explain how buffer works?

1167

why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

9893

acceptance criteria for lod & loq by standard deviation of response and slope??

2646

how pda detector works over uv?

783

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