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

While preparing Sodium fusion extract, why is the capillary tube immersed in water and broken when you can just pour it to cool it down?

Asked by adipadmakarri | 5th Dec, 2021, 11:38: AM

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CBSE XI Science - Physics

Please solve the question. I can't understand how to solve this problem

Asked by raghuvanshisaumya461 | 3rd Dec, 2021, 08:05: AM

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CBSE XI Science - Chemistry

Calculate the pressure of 2 mol of ammonia at 27 C when its volume is 5 litres according to van der Waals equation? (Given that a = 4.17, b = 0.03711 and R=0.082)

Asked by mushirateli33.11dga | 1st Dec, 2021, 07:13: PM

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CBSE XI Science - Physics

•A jogger runs in a straight line with –an average velocity of 5 m/s for 4 min. –an average velocity of 4 m/s for 3 min.   •What is the total displacement? •What is the average velocity during this time?

Asked by bossyshiba | 1st Dec, 2021, 07:20: AM

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CBSE XI Science - Chemistry

How can we know an acid is more stronger than another acid or a base is more stronger than another base.

Asked by saradamahapatra9999 | 27th Nov, 2021, 07:38: AM

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CBSE XI Science - Physics

define error

Asked by vithalsawant119 | 24th Nov, 2021, 09:06: PM

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CBSE XI Science - Chemistry

thermodynamics second law

Asked by mossewalasindhu | 20th Nov, 2021, 02:16: PM

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CBSE XI Science - Biology

Which hormone is responsible for the contraction of uterus during thetime  delivery of a baby???   

Asked by sammersingh619 | 20th Nov, 2021, 11:45: AM

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CBSE XI Science - Physics

Explain why a drop of liquid is always spherical.Obtain an expression for pressure difference beween inside and outside a sperical liquid drop.  

Asked by seeni2005 | 19th Nov, 2021, 08:14: AM

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CBSE XI Science - Chemistry

Gave the answer

Asked by shivamkumarsawnaugadh | 17th Nov, 2021, 10:07: PM

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