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

hi i am m.sc organic chem and complete analytical lab tech dipolma now job in qc many time ask question you in m.sc organic why job in qc please help me i can not give proper ans please tell me

Arch Pharmalabs, Natco,

3 11249

why use benzophenone & caffene acetone in hplc calibration

1 17609

why use k2cr2o7 , kcl h2so4 in uv calibration

DRL, GVK,

1 10816

what is lod and loq

3 11771

what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?

Wockhardt,

3733

what is the difference between contract research organisation and api&bulk industry

1 3017

is gvk or aurobindo best? which one is best. i have heard gvk not good for freshers is it right?

2 6816

what is the difference between hot air oven and vacuum oven? why you are using vacuum for some products

Alkem Labs, Cipla,

6 35917

What is the b/W dead volume and dwell volume ?

2 14643

why r u using hplc grade solvents

4 13104

Why do we use sodium salicylate for Calibration TLC Cabinet U.V Lamps

Matrix, Spar Labs,

3 24883

How do you show that equal quanitities of two isomers provide the same response using a PDA

1 6378

what is GLP? Which industries it requried?

Aurobindo, AXIS Clinicals, GVK,

1 12612

How can we separate Urea & semicarbazide in single HPLC method ?

2 7384

What is the calibration procedure for Malvern MS2000 particle size analyzer and acceptance criteria?

Reddy Labs,

2 6205

Un-Answered Questions { Chemistry }

Define an origin of electrode potential? : Electrochemistry Corrosion

1150

In performance Check of GC Why Hexadecane Peak is Considered

3112

about method developement in hplc

1766

why we are using benzene, anyline in acetic anhdride assay titration method?

2173

Why is ammonia solution added while preparing edta solution?

1440

Describe the process of Actinium extraction from its primary sources and how it's obtained for various applications.

707

Define corrosion? : Electrochemistry Corrosion

1183

Explain how do you extract ephedrine from a mineral block?

1069

why use of sulfuric acid in roi test in pharmaceutical industry

2554

why we should take dst factor for below 1%moisture samples

2718

. Given that 2Hg2+ (aq) + 2 e- Hg22+(aq) E0 =0.92V Hg22+ (aq) + 2 e- 2Hg(l) E0 =0.85V Calculate standard free energy change and K for the following process at 25oC Hg22+(aq) Hg2+ (aq) + Hg(l)

6709

in hplc chromatogram started from left to right and in uv spectrum started from left to right

1019

identification is for unknown? qualification for known? reporting for LOQ?

780

Actinium has potential applications in cancer treatment. Could you elaborate on how Actinium-225 is used in targeted alpha-particle cancer therapy?

728

why holium oxide prepared in 10% HCLO4 SOLUTION

1500

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