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

If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?

2313

why we use only sucrose in the calibration of polarimeter?

Kilitch,

7 28525

what Mean By Organic Chemistry

3 6124

we shall use Dichloromethane in last stage of API.

Cipla,

3092

What is the Deference between Bulk density & Tap density ?

Hikma Pharmaceuticals, Neuland, Reddy Labs,

2 25725

In burette calibration of Karl fischer Instrument, the multiplication factor 1.00693 is using for how much ml of water dispenced. why

1 4423

which metal is found abundantly in the earths crust??

2 4969

how can we decide the limit of cleaning validation? What is the criteria for it?

Glenmark,

2 13717

What is difference between Related Substance & Impurity Profile?

Jubilant Organosys,

2 51808

Why we are injecting low load standard conc. while analysing Related Substances by HPLC?

3 11274

why wetlab is called as wetlab

6 17938

In UV-VIS spectrophotometer:My diluent is methanol even though i corrected base line for methanol,In my sample scan i found methanol peak.what is the reason?

2 10279

What is the diffrence between the performing of LOD ordinary drying at voven and vaccum method.

Apex,

4 10918

How can we calibrate the burette dispencing capacity in metrorm kf titration calibration

1 6871

how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.

2317

Un-Answered Questions { Chemistry }

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

988

However ozone is heavier than oxygen still ozone is up there in sky why?

1075

What is molality?

993

why we are using benzene, anyline in acetic anhdride assay titration method?

2131

What are the factors that affect the viscosity of a liquid?

1027

GIVE FTIR SAMPLING ASSESORY NAME.

2523

What is viod volume and peak purity in HPLC?

2889

using gradient pressure in gas chromatography are not ?using gradient pressure why

3398

What modification is required for the atomic theory in order to explain the existence of isotopes, and modern view of atomic nuclei and electrons?

2264

How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.

2591

Define corrosion? : Electrochemistry Corrosion

1132

Why use only methanol,used determinationof moisture content not use other solvents

1423

in dissolution why pool sample needed? in which type of drug pool sample need?

3186

What is electrode potential? : Electrochemistry Corrosion

1173

Define dipole-dipole force?

1214

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