General Chemistry Interview Questions
Questions Answers Views Company eMail

Why is it dangerous to have a coal fire burning with doors and windows closed ?

2 3348

Why does a diamond cut glass?

2 3598

Why is the sea water saline ?

9 11400

Why it is advised to boil water before drinking ?

1 2767

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

1 2633

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

1 2327

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

2 2861

Why is sodium preserved in kerosene oil ?

3 11321

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

1 2209

What causes smoke to curl up into the air ?

1 3079

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

2 3274

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

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1 2555

Why does oil thrown on rough sea make it calmer ?

1 2085

Why is heat more oppressive on a damp hot day ?

1 1971

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

1 2772

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Un-Answered Questions { General Chemistry }

What can you contribute to the company?


can we Consider the Purity threshold and Purity angle in place of peak purity for the specificity test for method verification


what is the relation between Total organic carbon and Chemical Oxygen demand?


describe the lewis dot structure of Mg2+?


hi i got i 20 from sacred heart university u.s.a.i got good tofel score and my gre is score is very university requirement is only tofel.i completed my in 2009 so i got 1 year gap is their chances to reject visa?what i have to do i was very to sought out my problem


Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?


In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?


why we shrink our body during cold


Why USP put two methods for tapped density? When I should use each one?


why is their exotherm while addition of reducing agents in reduction reaction?


what are the role of chemistry education in sustainable development


Does domestic/household used kerosene oil which is available in blue color (In India) can change its color over the due course of time say 8-10 years if keeping in plastic bottle? If so, in which color it will be turned to change, yellow or transparent or any other color. Please provide me the reply with strong technical approach. Since it has been asked during an interview. Please reply fast. I will be thankful to you if anyone can provide the supporting journals/write-ups/reference to favour of response.


What is the difference between volumetric solutions and test solutions


How BIS Decedied the LSF value 0.66-1.02 with calculation.


what is difference b/w "regio selectivity" & "sterio selectivity"