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Categories >> Sciences >> Chemistry >> Analytical Chemistry
 
 


 

 
 Organic Chemistry interview questions  Organic Chemistry Interview Questions (222)
 Inorganic Chemistry interview questions  Inorganic Chemistry Interview Questions (96)
 Analytical Chemistry interview questions  Analytical Chemistry Interview Questions (846)
 Physical Chemistry interview questions  Physical Chemistry Interview Questions (57)
 General Chemistry interview questions  General Chemistry Interview Questions (283)
 Chemistry AllOther interview questions  Chemistry AllOther Interview Questions (70)
Question
what is the difference between melting range & melting
point? Which is more significant?
 Question Submitted By :: Mail_kishore1982
I also faced this Question!!     Rank Answer Posted By  
 
  Re: what is the difference between melting range & melting point? Which is more significant?
Answer
# 1
melting range means range of temperature at which
temperature sample startsmelting(solidform to liquid form)
and at which temperature completely converted to liquid
form.example 121.4-123.6


melting point means sample melts sharply one point of
tmperature , example 82
 
Is This Answer Correct ?    28 Yes 1 No
Posi
 
  Re: what is the difference between melting range & melting point? Which is more significant?
Answer
# 2
melting range means range of temperature at which
temperature sample startsmelting(solidform to liquid form)
and at which temperature completely converted to liquid
form.example 121.4-123.6
Compound compleatly converted into liquid state mention as
a meltnig point.
 
Is This Answer Correct ?    5 Yes 3 No
Sujan
 
 
 
  Re: what is the difference between melting range & melting point? Which is more significant?
Answer
# 3
melting range means range of temperature at which
temperature sample startsmelting(solidform to liquid form)
and at which temperature completely converted to liquid
form.example 121.4-123.6


melting point means sample melts sharply one point of
tmperature , example 82
 
Is This Answer Correct ?    0 Yes 1 No
S.prasanna Kumar
 
  Re: what is the difference between melting range & melting point? Which is more significant?
Answer
# 4
m range: solid starts melt to complete liquid temperature 123..124..125..126..127..128



m point: average value of m range temperature 125.5 .... why because we didn't find out exact melting point through melting point apparatus.
 
Is This Answer Correct ?    1 Yes 0 No
Siva
 

 
 
 
Other Analytical Chemistry Interview Questions
 
  Question Asked @ Answers
 
why we are using only lead standard solution for Heavy metals test? what is the purpose of this? Divis-Laboratories 2
Why we use caffeine for HPLC calibration in Detector wave ength accuracy test Cipla 53
is ther any guidline is available for limt of peak fronting.and what is the limt of peak fronting.   2
I have 1 gram of Diphenylamine and want to make a 10,000 or 1000 ppm solution in methanol. How do I make this? Midas-Technologies 8
If we have 120 minutes run time method for HPLC and you wan to decrease the Run time so what should you do??   6
for which type of applications gas chromatography is used?   2
In GC and HPLC ,how we can decide which of following method will be suitable or use for quantitation of chromatogram at the time of method development. 1.Area Normalisation 2.External standard method 3.Internal standard method Atul 1
what is difference of uv and pda MSN-Pharma 12
What is mean by peak tailing in case of GC?   3
why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid? Elder 1
why we are used 4,7,9,2 buffers for the ph calibration Aurobindo 4
what is the principle involved in determination of moisture content?   1
 
For more Analytical Chemistry Interview Questions Click Here 
 
 
 
 
 


   
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