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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 16253

what is the difference between simple distillation and differential distillation

 1 9186

Describe your experience with analytical instrumentation?

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

3 36573

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

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

1 8756

Describe your experience with quality assurance and quality control analyses?

Aurobindo, Dr Reddys, MSC, Reddy Labs,

11 35354

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

Apex, BNM, Ranbaxy,

2267

Do you have experience with organic extractions or tissue digestions?

GVK Biosciences,

1 7117

How many stereoisomers of phenylpropylene oxide are there?

Mankind,

1 5864

How many isomers have the name bromomethylcyclopentane?

 5 11807

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 5767

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

Bluepin,

5 16486

which functional groups are present in cortisone?

2 22834

How many degrees of unsaturation are there in benzene?

2 11804

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

3 5614

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

8 76932

Un-Answered Questions { Chemistry }

While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

2335

acceptance criteria for lod & loq by standard deviation of response and slope??

2076

what is mean by 40 in the dissolution basket mesh size?

274

in which situation ion pair agent require to use?

260

Can we consider in purity angel

1319




What is molality?

552

hi i got i 20 from sacred heart university u.s.a.i got good tofel score and my gre is score is very poor.my university requirement is only tofel.i completed my b.pharmacy in 2009 so i got 1 year gap is their chances to reject visa?what i have to do i was very tensed.how to sought out my problem

1885

What is the easiest, (Less compound mixtures, basically), way to make coca.. ;)

1820

how we change 0.1N KmNo4 solution to 0.01N KmNo4 solution.

1529

Differentiate between modern periodic table and mendeleevs table?

645

What are the differences between chemical and electrochemical corrosion? : Electrochemistry Corrosion

591

hi i am siva icompleted m,sc in organic chemistry in 2008&working as alecturer can u send me the interview qusetions with answers . i expected that i got 135 - 140 marks is there any chance to get selection my interview is on may 7th 2010

1639

what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?

326

Explain how do you extract ephedrine from a mineral block?

557

In IR spectra, generally a molecule vibrates without apply emr or ir light?

1422

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