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Organic Chemistry Interview Questions
Questions Answers Views Company eMail

what is functionality of polymer? how can we get theoretical and practically?

Atul, Domax, Mohrish Pharmaceuticals,

1542

What is the accepted microbial load in APIs as per USP.........?

 1594

what are the checklist need to maintain in API manufacturing area as per USP requirements.......?

 1942

Purified water Microbial load limits as per USP..........?

 1 3253

why antharacene use hplc calibration

ITC Infotech,

1 2422

hardness of distilled water

CAPL, Parabolic,

1 4362

Why a Na lamp is used in a polarimeter ?

Akums, ZCL Chemicals,

1 2532

why are prepare daily working standard in ft ir

 1840

hplc assay limit 98.0 to 105 why

Aurobindo, Hetero,

2 11523

uv,ri,pda detactor principles ?

Aurobindo, Mankind, ZCL Chemicals,

1 2828

ex:this product used c18 column but same product used c8 column what happend ?

Hygro Chemicals,

2 4780

what are stereomers? how are they classified?

MSN, Reddy Labs,

2426

why we not use caffeine at 205nm for hplc calibration?

Alkem Labs,

2360

why we use 254nm for caffeine analysis as it having maxima at different wavelength?

Ahlcon Parenterals, Alkem Labs,

1 3638

whenever kf titration is done that time one result is high and second one lower  results what to do.

Invochem Laboratory, Laurus,

2 3732

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Un-Answered Questions { Organic Chemistry }

What is the hybridization at nitrogen?

271

we shall use Dichloromethane in last stage of API.

2176

what are the checklist need to maintain in API manufacturing area as per USP requirements.......?

1942

How do you explain the different solvent power of water and other organic solvent?

1730

what are stereomers? how are they classified?

2426




Is napthalene aromatic?

258

why use of sulfuric acid in roi test in pharmaceutical industry

1387

Which one of the following is not aromatic?

394

Is benzene aromatic?

259

Barc in chemistry

448

Explain Thiele's structure for benzene. What is the difference between thiele's structure and modern structure (resonance hybrid) of benzene?

4205

Any one is alembic pharmaceutical ltd. On starting to job ?

844

What is the difference between cracking, pyrolysis, destructive distillation, hydroforming, carbonization and dry distillation?

8813

What are acounting Pi electron's?

1357

what is stero electronic factor.2 what is steric control factor and what is product control factor

1289

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