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,

2982

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?

2294

What are the differences between GC and HPLC?

1 15227

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

4 13168

What is linearity in HPLC and how will you test?

1 19974

Which charcoal is used to decolourise the raw sugar?

Maxim Pharmaceuticals, MSN Pharma, Reddy Labs,

2 11562

what is the difference between polarimeter lamp and ir lamp

3501

what is ppm?how to prepare 75 ppm?

Bureau Veritas,

6 14190

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

Nectar Lifesciences,

2 11069

what is difference between IR lamp and polarimeter lamp

Raks Pharma,

2 9950

Why dissolution test is not performed in all of the products

Biocon, SDD,

2537

why we need to do karl ficher fector ?

Reliance,

2 12593

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

Hetero,

4 7483

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

Cipla, Reddy Labs,

2 16379

how to prepare the 0.001M tio2

2391

Un-Answered Questions { Chemistry }

Can a Nascent Hydrogen be used for fuel cell without damaging the equipment and if so how good would it be compared to other type of hydrogen.

2181

Give the others form of iron ore.

1020

What group of elements were called the inert gases?

1119

Explain the dipole moment direction for methanol?

1119

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

4071

Define an electrochemical corrosion. What are the types of electrochemical corrosion? : Electrochemistry Corrosion

980

How you develop a method in HPLC?

2616

What is fluidity of a liquid?

1087

What is the accepted microbial load in APIs as per USP.........?

2509

How is librated iodine estimated?

1092

Why sodium hydroxide used for maintain pH of phosphate buffer

2414

Define an origin of electrode potential? : Electrochemistry Corrosion

1065

Why is the color of the indicator drop remains the same at the end point?

1229

AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

2054

Why graphite rod is used in nuclear reactor?

1029

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