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CBSE Class 12 Science Chemistry Free Doubts and Solutions

CBSE - XII Science - Chemistry

What can be the answer for this question?

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Asked by dineshchem108 21st May 2019, 12:45 AM
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CBSE - XII Science - Chemistry

Compare the rate of SN2

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Asked by Mrinal 16th May 2019, 8:45 PM
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CBSE - XII Science - Chemistry

What is the answer to this question.

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Asked by dineshchem108 15th May 2019, 8:10 AM
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CBSE - XII Science - Chemistry

Please answer this question.

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Asked by dineshchem108 15th May 2019, 7:32 AM
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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

How many dichlorinated products including stereoisomers can be isolated when (S)-2-chlorobutane reacts with cl2?

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Asked by dineshchem108 13th May 2019, 8:00 AM
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CBSE - XII Science - Chemistry

Which type of solid is SIC    

Asked by Chand90500 28th April 2019, 3:41 PM
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CBSE - XII Science - Chemistry

CaCO3 decomposes to give CaO and CO2, if the masses of CaO and CO2 produced are 5.6g and 4.4 g respectively by heating 12g of an impure CaCO3 sample then the % impurity of the sample will be

Asked by amit.jhaamit.jha 25th April 2019, 6:50 PM
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