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 4685

Why does a diamond cut glass?

2 4679

Why is the sea water saline ?

9 13691




Why it is advised to boil water before drinking ?

1 3612

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

1 3341

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

1 2814

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

2 4009

Why is sodium preserved in kerosene oil ?

3 13339




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

1 2799

What causes smoke to curl up into the air ?

1 3724

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

2 3925

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

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1 3117

Why does oil thrown on rough sea make it calmer ?

1 2660

Why is heat more oppressive on a damp hot day ?

1 2426

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

1 3325


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Un-Answered Questions { General Chemistry }

What happens when the excess of stannous chloride is not removed

68


Mention a few advantages of photoelectric colorimetric determination.

79


What are the factors that affect the viscosity of a liquid?

72


Why is the indicator eriochrome black(ebt) shows wine red color at the beginning and blue color at the end?

60


What is the unit of ph?

45






Write the chemical formula for epsom salts?

59


Mention a few application of cod test in environmental engineering practice.

68


What is weak acid?

62


What is the composition of ferroin?

61


Fresh form of water is obtained from?

84


Mention the different types of conductivities.

158


How are specific gravity and density related?

62


Write the structural formula for edta.

68


Explain extraction of ephedrine from a mineral block?

59


Why is glass electrode called an ion selective electrode?

60