Chemistry Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

General Chemistry (478)
Chemistry AllOther (190)

Chemistry Interview Questions

Questions Answers Views Company eMail

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

2811

which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc

Hetero,

2140

In which cases factor of KF Reaget got higher side

2 6518

Why sucrose used in calibration of polarimeter

Lupin,

1 4448

what is the concept for adjustment of pH in HPLC buffer solution ? a. Common ion effect b. Counter ion effect and explain me, how we adapt this principles & what is the role of these principles in our method

Apex, Pentagon Labs,

1 3428

What is the difference between BD

1 3124

why water content test performed

1 6116

What is peak purity and response factor in chromatographic analysis? Why we required to find out response factor?

2 7271

What are modes of quantification in related substances

Hospira,

2133

what is the source of ir spectroscopy

CTX Life Sciences, Mylan,

2 7424

Difference Between End Cap HPLC Column and Non End Cap Column

2 14573

What precaution u take when doing rs preparing

DRL,

2091

Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

Petronas, Shanghai Ocean University,

1878

How would you decide dissolution medium for NCE compound of class I drug

2222

which gas is called laughing gas?

2 4782

Un-Answered Questions { Chemistry }

Mention a few important criteria for satisfactory colorimetric analysis.

1497

For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?

2283

What are constituents of brass?

1194

what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?

3654

How many millilitre is equal to 1 litre and how many microliter is equal to litre?

1056

Write the each half cell reaction and also net cell reaction for a cell

2880

Describe the historical significance of Protactinium's discovery and its naming.

604

Tell me something about Vitamin A test method by HPLC

2642

What are the challenges and opportunities associated with handling and storing Protactinium due to its radioactivity and scarcity?

602

Protactinium-233 is used in the thorium fuel cycle. Explain how this cycle operates and its potential benefits in nuclear energy production.

647

What is edta?

1038

What does it mean for a molecule or a ligand to be "chiral"? What properties does chirality impart to a molecule? : Polymer Chemistry

1004

what is the purpose of using cyclhexane in synthesis?

4214

What is the metal used to extract copper from the solution of copper sulphate?

1050

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

2700

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