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Polymers Free Doubts and Solutions

CBSE - XII Science - Chemistry - Polymers

In a polymer sample 30% of molecules have a molecular mass 20,000, 40% have 30,000 and the rest 60,000. What is the weight average molecular mass of the polymer? (1) 40,300, (2) 30,600, (3) 43,333, (4) 50,400

Asked by patra04011965 14th May 2019, 7:55 AM
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CBSE - XII Science - Chemistry - Polymers

Please ans fast....very neccesary

Asked by Tushar Jandial 28th April 2014, 11:17 PM
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CBSE - XII Science - Chemistry - Polymers

how  much glucose does the  brain  use per hour? explain.

Asked by 14th March 2014, 1:55 PM
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CBSE - XII Science - Chemistry - Polymers

Which polymers are important for exams ?

Asked by Sumit Joshi 12th January 2014, 9:41 AM
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CBSE - XII Science - Chemistry - Polymers

why are polythene bags are dangerous?

Asked by Gautam 11th December 2013, 1:38 PM
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CBSE - XII Science - Chemistry - Polymers

which scientist coined the name polymer?

Asked by Gautam 10th December 2013, 12:39 PM
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CBSE - XII Science - Chemistry - Polymers

uses of Bakelite ?

Asked by Upendra Ks 10th October 2013, 7:06 PM
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CBSE - XII Science - Chemistry - Polymers

Give the difference in notation between Nylon-6 and Nylon-6,6.

Asked by PRANAV 17th June 2013, 6:57 AM
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CBSE - XII Science - Chemistry - Polymers

How can Buna-S be classified under condensation polymer ? It does not involve any elimination, no ?

Asked by SHEETHAL S J 7th December 2012, 2:40 PM
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