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

 1 2749

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

 3 8280

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

 1 3464

Why metallic tools used by blacksmiths have wooden handles ?

 1 2749

Why do clothes dry quicker in wind than in still air ?

 1 3217

Why is clinical thermometer used in preference to and ordinary Fahrenheit thermometer ?

 1 3153

When we pour into a tumble, bubbles ate seen outside why?

 1 2932

Why do woolen clothes keep us warm in winter ?

Century Textile and Industries, DCM, Vardhman,

29 112029

Why dies the water boil below 100 o C on the top of a mountain ?

 3 4466

Why does water boil above 100 o C in mines ?

 2 3897

Why can?t the meat and dal( pulses ) be cooled well on the top of high mountains ?

 1 3111

When we heat one end of and iron bar, the other end also gets heated up why ?

 1 3204

The heat of the sun reaches us and the intervening air is not heated up Why ?

 2 4170

Why is a vessel of water heats more quickly, when heat is applied at the bottom than it is heated at the top?

 1 3186

Why is the bottom of a kettle blackened and top polished?

 1 3167

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Un-Answered Questions { General Chemistry }

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

941

How do you express the total hardness of water?

659

What is the formula you will use to calculate how many millilitres of 5.5 m naoh are required to prepare 400 ml of 1.5m naoh?

591

Which wavelengths are visible to human eye?

716

What is modern definition(iupac) of ph?

722




How is the measurement of ph made?

603

Do all explosions produce carbon dioxide or carbon monoxide?

627

Explain the process of spontaneous combustion?

603

What is kentchin? Is it real?

630

What is viscosity-coefficient of a liquid?

852

Why is sulphuric acid added during the preparation of standard fas solution?

585

what is the indicator used?

593

What happens when the excess of stannous chloride is not removed

695

Mention a few important criteria for satisfactory colorimetric analysis.

1034

Why is ammonia added? Why is that same amount of ammonia added?

579

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