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Categories >> Sciences >> Chemistry >> General Chemistry


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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 the composition of gun-powder ?   3
Why mud houses are cooler in summer and warmer in winter ?   2
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What is electroplating ?   5
What s the difference between hard and soft coal ?   1
it is possible that the air dissolves in any solvent? BPCL-Bharat-Petroleum 1
Hom many total number of inner transition elements are?   2
why helium does not react with other elements?   2
What is Potential Impurities?   1
Why does the filament of an electric lamp glow, when current passes through it ?   2
Why is a newly made quit warmer than an old one ?   1
For more General Chemistry Interview Questions Click Here 

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