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 4616

How is wood charcoal manufactured ?

1 3645

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

1 3932

What variety of carbon is used for refining purposes ?

1 3571

What is hydrogenation of oils ?

1 3607

What is oxy-hydrogen flame ?

1 4012

What is flash point ?

2 4642

Which gas is used in hospitals for the artificial respiration ?

4 14338

Which gas used for purifying, air in underground enterprises ?

1 4003

Which gas is used in bleaching powder.

IIT,

2 7165

What is the use of nitrogen in air ?

Hyundai,

4 11989

What is the difference between iron and steel ?

2 7739

Distinguish between lime water and milk of lime ?

Brilliant,

1 16164

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

1 3670

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 4873

Un-Answered Questions { Chemistry }

What is density of a liquid?

1065

How we choose the mobile phase for method development.?

1172

What is the difference between Assay and Purity?

1466

What is phase transfer catalyst?

1053

WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?

2529

Explain how many moles of hcl are present in .70 l of a .33 m hcl solution?

985

Mention the formula to calculate ph of a solution?

1275

What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

1861

Explain the use of glacial acetic acid?

1041

Does domestic/household used kerosene oil which is available in blue color (In India) can change its color over the due course of time say 8-10 years if keeping in plastic bottle? If so, in which color it will be turned to change, yellow or transparent or any other color. Please provide me the reply with strong technical approach. Since it has been asked during an interview. Please reply fast. I will be thankful to you if anyone can provide the supporting journals/write-ups/reference to favour of response.

1379

Why only 1.2 million lux hours require in photostability study?

969

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

1116

about method developement in hplc

1671

How are ph and pka related?

1058

what is NIR wave length

1385

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