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

how much tds is ok for drinking water

1 5597

1 why polyesterene film used for ftir calibration ? 2 why k2cr2o7 is used for control of abs in uv ? 3 why holmium oxide used for control of wavelength in uv

3 13097

what is the principal of malvern particle sizer & its used in pharma industry

3 9498

what is the difference between system precision and method precision?

Teva Pharmaceuticals,

3 37185

In lcms analysis some times we get sodium and potassium adducts. if the compound is havine sodium ions how can we confirm wether sodium is from sample or it is a adduct?

Teva Pharmaceuticals,

2 7771

How we can differentiate between oxalic acid and tartaric Acid?

5 14722

why we use sulphuric acid in the experiment of measure absorpance of K2Cr2O7 and KMnO4?

1 5975

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

2807

what is difference between moisture contents and water contents ?

Cipla, Hetero, USM,

12 60617

pH is having unit?

Cipla,

8 13596

What is the easiest, (Less compound mixtures, basically), way to make coca.. ;)

2387

In GC, What does 'Column condensation test' mean by?

Reddy Labs,

2 11770

same sample on two preapration gives differnt result during hplc analysis

3 8637

what is titrent,& titrate

Graviti Pharmaceuticals,

2 13889

Why we are using a Kf Factor range 4 to 6

7 61161

Un-Answered Questions { Chemistry }

if you given one product then which tests you will perform?

767

Define corrosion? : Electrochemistry Corrosion

1185

[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

862

How can I develope method of dissolution by HPLC OR UV

2460

Explain the term aliquot and diluent?

1403

if identification threshold crosses the limits then what next step?

928

Explain how buffer works?

1168

what are the role of chemistry education in sustainable development

2654

How does Protactinium contribute to our understanding of Earth's history and the behavior of elements in natural systems?

665

What is determining factor in the oxidation reduction reaction?

1496

(CH2)n + nO2. ---->Co2 + nH2O + energy what is this mean with details

1702

What is the requirement to give RFlow when using RID detector?

3144

Why we have to add 200mg Na2CO3 in preparation of 0.1N sodium thiosulfate solution?

1641

Examine samples of ldpe (sandwich bag, squeeze bottle) and hdpe (milk jug, grocery bag). What are some of the differences in the physical properties of these substances? : Polymer Chemistry

1240

mode of absorption in alimentary canal?

2440

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