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Chemistry Interview Questions
Questions Answers Views Company eMail

In chromatograpbic purity 90% is there, in assay 70% is there. How will you prove remaining 30%.

Dr Reddys,

3 7252

about analytical chemistry

Apotex,

1530

formula of petrol?

Biocon, Reliance,

2 4615

What is differences between normality and molarity.in which cases both are used?

GVK,

1 6536

in gas chromatography what is the difference between gas flow rate and average linear velocity ?

USV,

1935

what are the ideal conditions for coloumn storage

Claris Lifesciences, Srikem Laboratories,

3 6000

i want to know about headspace and interview question on headspace

Srikem Laboratories,

1 4766

For water content determination, if the material is insoluble in methnaol and ethylene glycol mono methyl ether, what other diluent can we use.

 1462

class of solvent regarding Residual solvent e.g. Acetone his class

 1 3429

What is unit of mass defect?

MSC,

1 2332

What is reagent?

BSC, Hygro Chemicals,

4 4760

why we multiply 1000 in the determination of kf factor ?

Stellence Pharm Science,

3 7275

why we measure PH of a solution in PH only why not POH ?

Stellence Pharm Science,

1 4024

What Is the mechanism of pyridine and methanol .what products produce

Alkem Labs,

1 3076

In Dissolution Test why limit is define Q+5% what is the role of +5%.

 2567

Un-Answered Questions { Chemistry }

What is rs test why we are performing rs test?

1300

naphtha and hexane mixture can be used a fuel or not

1965

Name the three elements which are forms carbohydrates?

587

Explain the protein in chemistry?

552

Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?

2452




Q1. Why did you enter the field of chemistry? Q2. What has motivated you to take chemistry as your professional subject and have you motivated anyone towards your field?

1807

What are the factors which affect corrosion? : Electrochemistry Corrosion

527

write short note on steroids,terpenes,prostagladins,and phospholipids.

5602

What is the main difference between ODS1 and ODS2 Hplc column.

4470

What is use of acetonitrile compare to methanol in RP-HPLC Method development?

1524

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

1828

Explain the chemical formula for dichromate?

582

If vendor having more imp than monograph then how to proceed? and how to set spec?

333

What is hybridyzation? How can we find that which type hybridyzation in perticular compound like in CH4(hy is sp3)?

681

Why only 1.2 million lux hours require in photostability study?

456

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