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

viod volume and dead time

Oxygen Healthcare,

7 21456

when are the result of sbi clerical come

2381

What is the oxidation state of Cr in CrO5?

DS Group, Reddy Labs,

13 31704

Sir, please give me previous year question paper for RRB for the post CHEMICAL AND METALLOGICAL ASSISTANT.

RRB,

2684

how convert toludin in benzoic acid

Cadila, Practical Viva Questions,

3 8929

What is the octane number range of te petrol used in India ? 1)90-95 2)90-99 3)80-90

Indian Railways,

8 19925

there are how many numbers of sigma and pi bonds in borazine (inorganic benzene)?

7 13843

what is the pH of benzene?why pH is not below 1

6 21253

why carbon is not heterocyclic compound?&why oxygen is heterolytic compound?

6 11119

What is Potential Impurities?

Glenmark,

2 7508

What is the Finger Print region

10 49873

How can we separate Acetonitrile from Methanol

Rockwell,

4 9847

i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me

2696

what is the process to transfer corbonyl group of lignin to phenyle hydrazine?

Arvind Mills,

1 4549

Why we use caffeine for HPLC calibration in Detector wave ength accuracy test

Arvind, Aurobindo, Cipla, Reddy Labs, Shasun Chemicals,

60 202271

Un-Answered Questions { Chemistry }

Which wavelengths are visible to human eye?

1191

A ha tc is actual defination of retention time?

1584

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 ?

3631

How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain

2358

Actinium is a radioactive element. How is its radioactivity utilized in various practical applications or fields?

583

What is stray light in uv what are units for stray light

1590

What is the chemical composition of fat in human body?

1098

Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...

1653

Polymer chain growth can be terminated by b-hydride elimination or by reaction with h2. What is one advantage of the h2 reaction? : Polymer Chemistry

1134

How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample

3194

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

516

Which is the indicator used in the determination of cao I cement solution?

949

What is the reaction that occurs during the titration?

1053

What is related substance by HPLC impurity limits as per USP?

1060

What are the factors that affect the viscosity of a liquid?

985

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