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CBSE Class 12 Science Chemistry Free Doubts and Solutions

CBSE - XII Science - Chemistry

Is there any topic deleted or added this year in class 12 chemistry syllabus ?

Asked by ishitashrivas27 18th August 2019, 4:04 PM
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CBSE - XII Science - Chemistry - Solutions

2g of a substance dissolved in 40g of water produced a depression of 274.5K in the freezing point of water. Calculate the molecular mass of the substance .The molal depression constant for water is 274.85K per molal

Asked by mukundsharma70 5th August 2019, 10:50 PM
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CBSE - XII Science - Chemistry

i want the secandary year board paper in ap  

Asked by puttisudheer4562 29th July 2019, 9:23 PM
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CBSE - XII Science - Chemistry

Give me answer

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Asked by yash01298 26th July 2019, 7:49 PM
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CBSE - XII Science - Chemistry

What are somen of the most important reactions to be learnt for preparation of organic chemistry?

Asked by jaideepsnatu 12th July 2019, 12:17 PM
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CBSE - XII Science - Chemistry - Chemical Kinetics

Need help with this Chemical Kinetics problem. How do I work out the decomposition rate of [N2O5]? 

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Asked by astutijoshi 3rd July 2019, 6:24 PM
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CBSE - XII Science - Chemistry

Does CBSE provide logarithm table in board exam of chemistry class 12 solve the questions that have log function ?

Asked by govtsecschoolnayaganv051 17th June 2019, 10:04 PM
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CBSE - XII Science - Chemistry - Electrochemistry

Estimate the mass of copper metal produced during the passage of 5A current through CuSO4 solution for 100 minutes.the molar mass of Cu is 63.5g mol-1.

Asked by jaiswalishika960 4th June 2019, 2:49 PM
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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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