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Chemistry Interview Questions
Questions Answers Views Company eMail

what is the limit of Correlation for IR test compare to the standard and test

Nakoda Chemicals,

3 8834

IS THERE ANYWHERE MENTION THAT THE RE PROCESS BATCH REQUIRE TO KEPT STABILITY STYDY

Nakoda Chemicals,

2 5386

What is the difference between the photochemical reaction and photo-dynamic reaction?

Astra, Panas Pharmaceuticals,

2107

why holmium perchloate solution in Uv calibration

Alembic,

2 9702

why do we have to used saturated ammonia in TLC

Cipla, IPCL, Mylan,

3 10496

stability study is going on up to 3years for famotidine-USP but the pharmacopeia is revised and tlc test is replaced with hplc test. At the 4th year frequency the product is failed in hplc test .how can i assain the expiry or retest date and can i stop or continue the programme?

Nakoda Chemicals,

2 5676

how to correct peak when peak comes broader in shape? How to do calibration of HPLC?

Mankind,

2 7300

why bottles of Hazardous chemicals or solvent are available in round shaped only?

Pfizer,

1 4033

HOW TO CALIBRATE HPLC OVEN

Mylan,

1 5869

What is importance of pH in the Heavy metal test and How it effect on the test results?

 1744

which light is used in FT-IR spectroscopy

Hetero,

6 16120

Please do not join if u got offer in oncotherapies ltd (STRIDESARCOLAB)especially Mr.Mahesh Bhatt team because job is not secure his team and doesn't have confidence on him becareful this offer?

Strides Arcolab,

1 4134

In partical size by malven,which parameter is generlly change for development of dry and wet method.

 1 2602

As per ICH related substances stability trend limit from initial to shelf life

Medley Pharmaceuticals, Micro Labs,

2653

what is the difference between EP and BP

Novartis, Vimta Labs,

2 19537

Un-Answered Questions { Chemistry }

how can karl fischer's titration be used to estimate alcohols??????

2200

what is the syllabus for mahagenco recruitment drive for the post of chemist

2653

Actinium has potential applications in cancer treatment. Could you elaborate on how Actinium-225 is used in targeted alpha-particle cancer therapy?

125

What is the principle involved in conductometric titration?

628

Why sodium hydroxide used for maintain pH of phosphate buffer

1822




Why titration in which hcl and h2so4 is use?

580

using gradient pressure in gas chromatography are not ?using gradient pressure why

2933

How can we calculate offset value pH measurment

1065

What is german silver?

510

what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.

2194

How BIS Decedied the LSF value 0.66-1.02 with calculation.

1773

what is the purge flow & how to calculate

1969

"Co-polymers" consist of two different monomers ("a" and "b") joined in an alternating fashion (ababab...). Block co-polymers also consist of two different monomers, but in this case blocks of polymer containing only a units are joined to blocks of polymer containing only b units (aaaaabbbbb...). How might block co-polymers be synthesized? : Polymer Chemistry

617

Name the two most common end-products of alcoholic fermentation?

551

What is dextro-rotatory and levo-rotatory?

676

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