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

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

Ranbaxy,

2938

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?

2267

What are the differences between GC and HPLC?

1 15165

Why do we need GC instead of HPLC? or Why do we need HPLC instead of GC?

4 13048

What is linearity in HPLC and how will you test?

1 19895

Which charcoal is used to decolourise the raw sugar?

Maxim Pharmaceuticals, MSN Pharma, Reddy Labs,

2 11480

what is the difference between polarimeter lamp and ir lamp

3471

what is ppm?how to prepare 75 ppm?

Bureau Veritas,

6 13985

What is the difference of time between two consecutive injections in HPLC?

Nectar Lifesciences,

2 10975

what is difference between IR lamp and polarimeter lamp

Raks Pharma,

2 9876

Why dissolution test is not performed in all of the products

Biocon, SDD,

2506

why we need to do karl ficher fector ?

Reliance,

2 12493

The densest liquid is. .(A)kerosene. (B)water. (C)mercury. (D)oil

Hetero,

4 7323

Why we are use 0.005M Sulphuric acid, in control of absorbance performance test UV Spectrophotometer calibration

Cipla, Reddy Labs,

2 16286

how to prepare the 0.001M tio2

2341

Un-Answered Questions { Chemistry }

how do you make a amine sugar

2341

What is the requirement for brazil in the analytical method vslidation comparr to ich?

727

what is NIR wave length

1401

Define ph?

1091

What is the formula you will use to calculate how many millilitres of 5.5 m naoh are required to prepare 400 ml of 1.5m naoh?

973

what is the extinction coefficient for Indomethacin or at 319nm wave length.

4018

Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?

3384

What is specific conductivity?

1046

What is bed worth rule? : Electrochemistry Corrosion

1007

Explain what is an oxidizing agent?

1026

How are the waters classified based on the degree of hardness?

1112

In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

3445

graphaite has higher melting point than fularine

2963

What is the diffrence in japan mkt requirement in analytical method validation over US?

696

Which one of the following is not aromatic?

1370

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