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Chemistry Interview Questions
Questions Answers Views Company eMail

What is Impuriteis?

Zydus Cadila,

4 13443

What is Log p?

Laurus,

1 5131

what is turbidimetric titration?Give 2 examples.

Laurus,

2742

What are the tests used in Hplc?Name any two.

Laurus,

4 10188

The colour presence in kmno4 is due to.

Laurus,

1 10489

what is the difference between isocratic & elution technique?

Laurus,

3 13260

key components in hplc?

Laurus,

3 11104

key components in gas chromotagraphy.

Laurus,

1 7672

solvents used in NMR

Laurus,

2 7385

what does 'n' stands for in spectroscopy?give the formula.

Laurus,

2510

define beer-lambertslaw.

Laurus,

5 14259

difference between precision & accuracy.

Laurus,

1 11200

formula for %RSD.

Laurus,

4 15346

which chromatographic technique is used for softening hard water?

Laurus,

1 6960

Nitrogen test is used for which chromatography?

Laurus,

1 8096


Un-Answered Questions { Chemistry }

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

737


which cationic polymer is compatible with poly aluminium chloride?

2558


Tell me something about Vitamin A test method by HPLC

2728


why we are using benzene, anyline in acetic anhdride assay titration method?

2174


Discuss the role of Actinium in neutron sources and its contribution to scientific research and advancements.

672


How does Protactinium contribute to our understanding of nuclear fission and fusion reactions, and what research has been conducted in this area?

662


if instrument calibration fails then what require to do?

1028


WHY pKa value is more important than pH value of the mobile phase in HPLC?

1814


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

709


In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?

978


Protactinium-231 emits alpha particles. How can this property be utilized in radiation detectors or other scientific instruments?

682


which batch require to use for analytical method validation?

864


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

2566


What should be the level/ Percentage of Arsenic in Arsenic free zinc.

2280


UV and PDA detector, which have less signal to noise ratio?

1185