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Chemistry Interview Questions
Questions Answers Views Company eMail

what is the difference betwen the analytical column & peparative column?

4 15049

it is possible that the air dissolves in any solvent?

BPCL Bharat Petroleum,

1 5257

why we conclude the area% for the chromatographic purity?

Amneal Pharmaceuticals, Lupin,

1 8389

what is the general mechanism of high performance liqiud chromatography?

Ajanta Pharma, Amneal Pharmaceuticals,

7 18753

WHAT IS THE SYLLABUS OO GROUP -I?

2430

Any reaction can be reversed by applying potential. But, why can't we recharge the primary cell?

2173

Though the secondary cell can be recharged again and again, still they have a lifetime. Why?

2197

why 2Theta value is consider in the XRPD spectra and how to consider the 2 Theta value

2 8762

The end product of anaerobic respiration in human is

HHJ,

1 7868

What is the difference between gas and vapour?

14 50422

Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?

2311

can you email me because I have a report and I need you to answer these questions if you would like to if not I completely under stand.

2188

why we wre doing linearity siudiec in hplc method validation

Cipla,

3 24071

what does optical rotation and specific rotataion means,difference between them

CPL, Neuland,

8 35477

what is regration method in method validation , how we can calculate it.

Cipla, Sun Pharma,

3 13187


Un-Answered Questions { Chemistry }

why require to do water content for drug product?

886


is is advisable to give a Pewter finish n Stainless Steel ? State the Advantages & disadvantages.

2945


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

2791


Name the element which was used to make the first atomic bomb?

1124


What is a potentiometer titration?

1251


What is the purpose of octyl silane columns?

4344


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

1234


What are the inorganic material eliminated in Sulphated Ash

3392


In which situation we require to prepare the standard solution from sample in Related substance method?

828


What is the reaction that occurs during the titration?

1138


Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?

2311


What is shaking level in GC?

842


What is the difference between spectro meter and spectro photo meter?

11628


Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry

1073


give clarity of linearity and range in method validation

2481