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 5785

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

1 5541

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

1 5014

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

2 6571

Why is sodium preserved in kerosene oil ?

3 17332

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

1 4747

What causes smoke to curl up into the air ?

1 6121

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

2 6515

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

College School Exams Tests,

1 5210

Why does oil thrown on rough sea make it calmer ?

1 5127

Why is heat more oppressive on a damp hot day ?

1 4419

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

1 5463

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

1 3521

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

3 9627

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

1 4265

Un-Answered Questions { Chemistry }

what does 50 denote in dowex 50 ????

2617

What is paint? : Electrochemistry Corrosion

1091

What is iron ore consists of?

1104

4.0 liters of oxygen are mixed with 8.0 liters of nitrogen. Identify the solute and solvent in this mixture:

1106

Is it nessesary all multimedia dissolution require descriminatory?

865

Polymer chain growth can be terminated by b-hydride elimination or by reaction with h2. What is one advantage of the h2 reaction? : Polymer Chemistry

1233

Explain the ionic equation for hcl-naoh?

1084

Explain how do you extract ephedrine from a mineral block?

1069

What is a proteic unit?

2749

How does the viscosity vary with temperature?

1140

Define an origin of electrode potential? : Electrochemistry Corrosion

1150

What is intact assay method development.....?

2765

How will you calculate how many moles of glucose present in 320 ml of 5.0 m of glucose solution?

1171

iam usig ph buffers merk. manually how to prepare ?

2329

Name the three elements which are forms carbohydrates?

1071

For More Un-Answered { Chemistry } Questions Click Here