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

Difference between related substances & impurities

Biocon,

2 18375

Polarized meter calibration, 1. Method name? 2. Which solution use? 3.why?

1 3798

Basic principle of ESI?

Cipla, GVK,

2151

What is the meaning of Base deactivated vials

Sun Pharma,

1 3629

What is definition of RRT and what is the difference between RT and RRT in HPLC

2 10574

What is the definition of RRF

2 6837

In GC Why does retention time decrease when temperature increases? Also how does a change in temperature effect selectivity?

Gland Pharma,

1 3996

why we use 0.1% acetone in gradient calibration of HPLC?

Cipla, Dr Reddys, FDC,

3 13889

What is difference between assay by Hplc and uv

Aizant, Fredun Pharmaceuticals, Hetero, Marksans Pharma,

2 10519

why we use actone for Gpv test in hplc calibration

1 10294

How to standardization of 1N H2SO4?

GNFC, Macleods,

1 8039

Why ammonia is used as buffer solution in estimation of copper by EDTA method

1866

how does h2so4 prevent oxidation of mohr salt before it is titrated?

1 3203

what are the reasons to get the low transmittansE in FTIR

Dr Reddys,

2 4328

In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.

1 2828

Un-Answered Questions { Chemistry }

WHAT IS THE USE OF STARTER ?????????

2425

Define dipole moment?

1070

why are prepare daily working standard in ft ir

2670

How much is the standard area for glc analysis

2286

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

952

How to choose the which salt is suitable for mobilephase

3250

What is the calibration of uv process and preparation

1997

What are common snowflake shapes?

2495

Why are use silicon oil mr?

1204

Tell me the common name of the molecule dihydrogen dioxide?

1036

What is the process for the removal of salts from brackish water or seawater to make it usable?

1019

Which of the above conductivity measured during conductometric titration?

1070

1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2885

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

1094

What is the use of tlc and hplc? And when and where use?

1160

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