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 it is advised to boil water before drinking ?

1 5639

Why is the percentage of oxygen today the same as it was thousands years ago, even though the whole world inhals it?

1 5364

Why would we all suffocate, if all the green plants were killed ?

1 4848

Why are substances like caustic soda and calcium chloride called hygroscopic substances ?

2 6399

Why is sodium preserved in kerosene oil ?

3 17064

Why is a newly made quit warmer than an old one ?

1 4582

What causes smoke to curl up into the air ?

1 5915

Why does a dog hang out his tongue, when it is hot ?

2 6320

Why dies thermos flask keep a hot liquid hot and a cold liquid cold ?

College School Exams Tests,

1 5021

Why does oil thrown on rough sea make it calmer ?

1 4979

Why is heat more oppressive on a damp hot day ?

1 4283

Why is dew formed more readily on clear nights than on cloudy ones ?

1 5307

If the stopper if a bottle has stuck, sometimes it may be removed by heating the neck, why ?

1 3391

Why does the snow on the mountains not melt all at once, not changed into water very slowly?

3 9367

Why does the water in tanks and ponds not freeze in winter ?

1 4135

Un-Answered Questions { Chemistry }

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

2028

Write the equation of photosynthesis?

1073

What is the chemical formula of alum?

1084

Principle of single pan analytical balance

5113

In which situation we require to analytical method validation of excipient?

752

Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6

2576

why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

9735

What is german silver?

861

why digestion require in icpms?

741

In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?

885

What kinds of structural changes accompany bond-breaking and bond-forming in olefin polymerization? : Polymer Chemistry

1743

What are the types of corrosion? : Electrochemistry Corrosion

977

please explain about aluminium hydroxide assay

1096

What is the resulting solution when benzene and toluene are mixed ?

975

What is viscosity-coefficient of a liquid?

1377

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