CBSE Class 11-science Questions and Answers

If you are looking for Class 11 Science online study materials, you’ve come to the right place. On TopperLearning, you’ll find quality e-learning materials for subjects such as Physics, Chemistry, Biology, Mathematics, and Hindi. These study materials include sample papers, MIQs, textbook solutions, video lessons and more.

Understand the course structure and exam paper pattern by going through the latest CBSE Class 11 Science syllabus. With access to the accurate list of syllabus topics, you’ll be able to create an appropriate study plan for your exams. Revision is key to remembering the key concepts learned in class. Get free access to the important revision notes for CBSE Class 11 science prepared by TopperLearning’s experts. Also, improve your Hindi writing skills with textbook solutions or understand concepts in Physics with our conceptual videos.

You just need to access your TopperLearning dashboard for utilising our compiled CBSE Class 11 Science study resources such as sample papers, NCERT solutions, syllabus, videos, revision notes and online mock tests. Study complex topics as per your convenience with our 24/7 access to CBSE Class 11 Science resources and score well in your CBSE final exams for Class 11.

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CBSE XI Science - Chemistry

0.5 moles of H2O contain how many molecules 

Asked by sakshikharode37 | 21st Nov, 2019, 09:12: PM

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CBSE XI Science - Chemistry

How does melting point decrease with increase in pressure for solid- liquid equillibrium . Pls explain using Le chattlier principle

Asked by hsdhall.2005 | 12th Nov, 2019, 11:40: PM

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CBSE XI Science - Chemistry

Are haloalkanes only added on terminal  carbons?

Asked by drhimasingh | 12th Nov, 2019, 01:31: PM

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CBSE XI Science - Physics

a disc is rotating with an angular velocity 'w'.if a child sits on it which of the following is conserved:- a)kinetic energy                                                                            b)potential energy c)linear momentum                                                                                d)angular momentum pls answer with fulll fledged explaination

Asked by hsdhall.2005 | 12th Nov, 2019, 12:59: PM

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CBSE XI Science - Mathematics

if a, B, C are in GP prove that(a+b+c)^2 / a2+b2+c2 = a+b+c / a-b+c

Asked by fishtailfever | 12th Nov, 2019, 12:17: PM

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CBSE XI Science - Chemistry

Q.no 3 =the relative abundance of various isotopes of silicon is as Si-28=92.23%, Si-29=4.67% & Si-30=3.10%. what is the average atomic mass of silicon.

Asked by pujakurmi22 | 11th Nov, 2019, 10:59: PM

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CBSE XI Science - Chemistry

EMF is responsible for the steady flow of current where is the potential difference is not responsible for the steady flow of current EXPLAIN THESE LINES PLEASE IN DETAIL

Asked by govtsecschoolnayaganv051 | 10th Nov, 2019, 04:26: PM

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CBSE XI Science - Physics

Consider two bodies A and B   of the same capacitance if the change of -10C flows from the body A to body B  then  

Asked by Challapalliramani | 10th Nov, 2019, 02:28: PM

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CBSE XI Science - Mathematics

Sum the series to n terms  1.2.4+2.3.7+3.4.10+...

Asked by fishtailfever | 10th Nov, 2019, 12:38: PM

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CBSE XI Science - Chemistry

question of chemistry in image attached below.

Asked by sumitshekhar891 | 9th Nov, 2019, 04:01: PM

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