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Categories >> Sciences >> Chemistry >> General Chemistry


 Organic Chemistry interview questions  Organic Chemistry Interview Questions (227)
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How is cement manufactured ?
 Question Submitted By :: General-Chemistry
I also faced this Question!!     Answer Posted By  
# 1
By heating together clay and limestone and powdering the
resulting mass.
Is This Answer Correct ?    10 Yes 2 No
# 2
Chemicaly cement is Cao. Hence the major ingadient used is
lime stone(almost 80-90%). Lime stone & clays are heated
gradualy to 1500 deg.C to dehydrate first and then it gets
calcined at the peack temp.At this temp. due to fusion lime
converts in CLINKERs or cement in hard stone form.
Subsiquently it is cooled down.Clinkers are further grind
with other grinding aids to very fine powder form.This
finished good is sold in market in bags or in bulker as
Is This Answer Correct ?    10 Yes 3 No
# 3
cement is a type of hard clay 
Is This Answer Correct ?    1 Yes 4 No

Other General Chemistry Interview Questions
  Question Asked @ Answers
What is Displacement Reaction .   1
Why are leaves of trees green ?   2
if this element X combines with another element Y whose electronic configuration is 2, 8, 7 what will be the formula of the compound thus formed? State how did you arrive at this formula   2
Which gas is used in bleaching powder. IIT 2
Why do we feel chilly in damp clothes ?   1
From what was Uranium isolated ?   1
What is Poling ?   2
What is ignition point ?   1
Explain about Oxide ?   1
How many elements have been discovered on the Periodic Table? ESRI 10
What is Oxidation and Reduction? LG-Soft 3
Why is dew formed more readily on clear nights than on cloudy ones ?   1
For more General Chemistry Interview Questions Click Here 

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