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 7650

what is motor rotation in case of sucrose

1 4603

why equlirium conatant of water have 14 value

GVK Biosciences,

1 3229

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

2 8235

What is Threshold in hplc?

Hetero,

2 20673

What do you mean by UV cut off limit

Cipla,

1 5518

Why we use Caffeine in hplc calibration

Emcure, Laurus,

2 13613

what is the meaning of stress study?

Reddy Labs,

2 5287

what is the difference between potentiometric assay and hplc assay

Parabolic,

2 18609

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

2 11603

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

1 4720

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

Manish Pharma, MOL, S S Pharmachem,

7 19687

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,

2602

how to select short coloum and long coloumn for new molecule

Rampex Labs,

2452

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

GVK,

3 10950

Un-Answered Questions { Chemistry }

We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?

1719

we can use expired sample for validation and analyst qualification?

812

What is equivalent conductivity?

1222

What are the types of corrosion? : Electrochemistry Corrosion

1015

how we can identify the impurity is coming below loq at transfering site?

872

how many types of balance calibration test?

2300

how to develop the icp ms method? Application of icp ms?

812

Explain the process of obtaining Protactinium from its primary sources and its purification methods.

663

What is gelatinization?

1618

in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

752

what are the differences between assay procedures and estimation in chemical analysis? also what is the equivalent factor that we consider in assay analytical procedures?

2677

what is mean by dissolution hydrodynamics?

826

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

1267

Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry

1016

Actinium is often considered a rare and scarce element. How does its rarity impact its industrial uses and research purposes?

557

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