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

What is ignition point ?

1 4698

How is wood charcoal manufactured ?

1 3727

With what metal, chocolates, cigarettes etc. are wrapped ?

1 4015

What variety of carbon is used for refining purposes ?

1 3645

What is hydrogenation of oils ?

1 3690

What is oxy-hydrogen flame ?

1 4105

What is flash point ?

2 4754

Which gas is used in hospitals for the artificial respiration ?

4 14495

Which gas used for purifying, air in underground enterprises ?

1 4090

Which gas is used in bleaching powder.

IIT,

2 7274

What is the use of nitrogen in air ?

Hyundai,

4 12139

What is the difference between iron and steel ?

2 7894

Distinguish between lime water and milk of lime ?

Brilliant,

1 16266

How can you mark your name on a glass plate by a simple chemical method ?

1 3757

If you are given two liquids, which look like water, how can you, by two physical tests, prove which one of them may be water ?

2 5010

Un-Answered Questions { Chemistry }

How is arsenic produced?

1059

Why do you require laboratory temperature for viscosity determination?

1147

what is definition of validation? which components are followed give detail?

2370

Actinium-227 has a long half-life and emits alpha particles. How can this property be harnessed in radiation detectors or other monitoring devices?

652

In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?

3178

Which one of the following is not aromatic?

1406

how you establish the LOQ?

792

which batch require to use for analytical method validation?

805

Describe the role of Protactinium in neutron sources and its significance for research in nuclear physics.

571

Explain the relations between number of carbon atoms in alkanes and retention time ?

2144

What is the difference between Assay and Purity?

1532

Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?

3178

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

2160

What is the difference between a heterogeneous and a homogeneous catalyst? What are some of the advantages of homogeneous catalysts? : Polymer Chemistry

1003

What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.

2682

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