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 is salt thrown on the frozen road ?

2 5287

Why a hot day in Calcutta causes more discomfort than are equally hot day in Delhi ?

1 3398

When the heat rays from the sun area focused on a piece of black cloth by means of a lens, the cloth catches fire. Why ?

1 4199

Why cooling is produced when a wet ?khus khus? screen is hung on the doors and windows ?

1 9195

Why do we feel chilly in damp clothes ?

1 4155

In winter, on a cold morning, the cement feels colder to the foot than a carpet. Why ?

1 4236

While standing on railway platform and heating the whistle of an engine coming towards us , we hear the sound increasing; bit when the engine is receding from us it appears to fall why ?

1 3135

Why does a freely supended magnetic needle always point North and South ?

1 3775

Why is sometimes a succession of echoes heard ?

1 3842

Why is an echo not heard in a small room ?

3 10698

What are the soldiers in an army, while crossing a bridge ordered to go out of step?

1 3868

We see the sun before it rises above the horizon in the morning. Why?

Infosys,

1 6058

Why do eye-glasses become fogged, when the wearer comes form the cold outdoors into a warm room ?

2 4198

Why has every parachute a hole in the centre ?

1 3897

Why is a halo formed round the moon, when the sky is clear ?

1 3830

Un-Answered Questions { Chemistry }

why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?

1708

what is stero electronic factor.2 what is steric control factor and what is product control factor

2131

Actinium-227 has a long half-life and emits alpha particles. How can this property be harnessed in radiation detectors or other monitoring devices?

652

Explain the chemical formula for dichromate?

1085

While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

2862

what type of question will ask in the interview of lab chemist.

3320

what are the differences between assay procedures and estimation in chemical analysis? also what is the equivalent factor that we consider in assay analytical procedures?

2677

What are the inorganic material eliminated in Sulphated Ash

3334

Why be is not soluble in liquid ammonia?

1112

what is biorelivent dissolution media?

807

Which is the indicator used in the determination of cao I cement solution?

993

WHAT IS THE SYLLABUS OO GROUP -I?

2334

Why are olefins (alkenes) good monomers for polymerization reactions? : Polymer Chemistry

1397

If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

856

composition of gun metal

2103

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