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 the difference between mcg and ppm?

5 31752

WHAT IS THE DIFFERENT BETWEEN PURITY, POTENCY AND ASSAY

Glochem, Hetero,

6 59445

How we can perform Linearity study for validation by HPLC with very low conc of sample

1 7604

principle of FTIR

Biocon, Macleods,

2 19077

what is separation techniques.

Glenmark,

1 3802

what is the difference b/w repeatability nd reproducibility ?

Aptuit Laurus,

1 10286

what is the difference between sulphated ash and ROI

Alembic, CTX Life Sciences, Divis Laboratories, USV,

1 9875

benzoic acid is a weaker than para nitro benzoic acid

7 29157

why using factor 1.00639 in burette calibration of kf

Cipla,

1 8632

what type of questions asked on analytical balance and also give answers................all pharma companies?

Sun Pharma,

1 12762

Why KBr is used in FTIR ?

6 15911

How to study genotoxicity of impurities in API?

NCL,

2 6499

What is the difference between chiral cel OD-H & OD-RH ?

Aptuit Laurus,

3 12089

What is void volume & dead volueme

Bayer, Lupin,

3 14734

How we will diapose UV (detector) lamp?

Bayer,

1 7656

Un-Answered Questions { Chemistry }

Explain what is the dipole moment of chlorooctane?

1319

What is the unit of ph?

1073

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

1019

Why to use propyl paraben in HPLC gradient calibration

7600

Explain the differences between organic and inorganic chemistry?

1171

how you fix the limits of impurities?

899

What is the formula for relative diffrence for standard solution in solution stability in validation?

867

Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?

3473

if instrument calibration fails then what require to do?

1028

what is difference b/w "regio selectivity" & "sterio selectivity"

2497

Why purity angle should be less than purity threshold in peak purity

4308

Basic principle of ESI?

2214

Define oxidation potential and reduction potential? : Electrochemistry Corrosion

1271

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

708

What is the Difference Between 3M KCL and 4M KCL, WHy We are Filling 3M KCL In electrode Instead of 4M KCL

2616

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