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Chemistry Interview Questions
Questions Answers Views Company eMail

Which one of the Following is not Aromatic? 1)Cyclotetrane 2)Benzene 3)Napthalene 4)Anthracene

 8 16394

what is the difference between simple distillation and differential distillation

 1 9222

Describe your experience with analytical instrumentation?

Alembic, Apotex, Aurobindo, DLF, Enal Drugs, Lupin, Natco, Pharma,

3 36703

Do you know what Trace metal clean technique is?describe that technique?

Mylan, Nirma, Oil and Gas Jobs, Reddy Labs,

1 8793

Describe your experience with quality assurance and quality control analyses?

Aurobindo, Dr Reddys, MSC, Reddy Labs,

11 35553

Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

Apex, BNM, Ranbaxy,

2282

Do you have experience with organic extractions or tissue digestions?

GVK Biosciences,

1 7160

How many stereoisomers of phenylpropylene oxide are there?

Mankind,

1 5894

How many isomers have the name bromomethylcyclopentane?

 5 11895

Pure (S)-2-butanol has a specific rotation of +13.52 degrees. A sample of 2-butanol prepared in the lab and purified by distillation has a calculated specific rotation of +6.76 degrees. What can you conclude about the composition?

1 5811

Trimethylamine is a pyramidal molecule. What is the hybridization at nitrogen?

Bluepin,

5 16582

which functional groups are present in cortisone?

2 22888

How many degrees of unsaturation are there in benzene?

2 11857

What are the major products formed when acetic acid and ethanol are added to water and the pH is adjusted to 7.0?

3 5685

What organic compounds have the basic formula (CH2O)n?

8 77103

Un-Answered Questions { Chemistry }

WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?

2149

what is mean by nitrosamine impurities?

550

Why Ethanol is Used for Standardization of GC Head space?

3726

how require to fix the linearity and accuracy cincentration range?

672

What is the diference between residual solvents and organic volatile matter

1506




Why perchloric acid used for potentiometric titration

2172

How does Protactinium contribute to our understanding of nuclear fission and fusion reactions, and what research has been conducted in this area?

135

Why do different polymers have different properties? : Polymer Chemistry

713

composition of german silver

1885

Can you provide an overview of the properties and characteristics of Protactinium and its placement in the periodic table?

150

What makes a molecule into organic molecule?

754

What is meant by ph of a solution?

596

How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?

2875

In what ways can Actinium be used in conjunction with other elements or compounds to create new materials or compounds with specific properties?

156

iam usig ph buffers merk. manually how to prepare ?

1786

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