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 5189

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

1 3295

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 4095

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

1 9102

Why do we feel chilly in damp clothes ?

1 4068

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

1 4157

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 3048

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

1 3685

Why is sometimes a succession of echoes heard ?

1 3770

Why is an echo not heard in a small room ?

3 10554

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

1 3787

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

Infosys,

1 5986

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

2 4095

Why has every parachute a hole in the centre ?

1 3820

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

1 3746

Un-Answered Questions { Chemistry }

WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

2079

How to convert -40 of into centigrade?

994

Is napthalene aromatic?

1260

Fresh form of water is obtained from?

1091

if content uniformity passing but dissolution varrying then what is next step?

818

Why perchloric acid used for potentiometric titration

2635

Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

2653

State beer-lambert’s law.

1064

What is aggregate and fragments in SEC?

2066

Protactinium is part of the actinide series. Discuss the significance of this series and its implications for nuclear chemistry.

658

What is the nature of the bonding interaction between a metal and an olefin? : Polymer Chemistry

976

some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?

2601

on saturation solubility study data how we can find out the bcs class of drug?

834

Why we have to add 200mg Na2CO3 in preparation of 0.1N sodium thiosulfate solution?

1520

What are common snowflake shapes?

2449

For More Un-Answered { Chemistry } Questions Click Here