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 - Maths

Below is the question

Asked by itsanushkasoni | 29th Jun, 2022, 03:17: PM

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CBSE XI Science - Maths

what's the formula of union of 4 sets

Asked by ahalyasahoo2511 | 27th Jun, 2022, 09:07: PM

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CBSE XI Science - Chemistry

can we see weight and pressure these entities

Asked by vibhutimandal70 | 26th Jun, 2022, 10:39: PM

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CBSE XI Science - Maths

In connection with my previous doubt. Sir/Ma'am, but why are the signs of the inequalities reversed in the 2 inequations in the RD solution?

Asked by youdhustu | 25th Jun, 2022, 01:48: PM

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CBSE XI Science - Maths

How to split this double inequality into 2 inequations and get the solution set of the system of inequations by intersection method? I didn't understand how to split it into 2 inequations.

Asked by youdhustu | 25th Jun, 2022, 12:10: PM

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CBSE XI Science - Chemistry

Number of carbon atom present in 22 gram of CO2 is

Asked by arpitsingh373667 | 24th Jun, 2022, 05:00: PM

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CBSE XI Science - Maths

I am confused in a question from SETS AND RELATIONS P(A:B)={X:X∈P(A),B⊂X} In the given statement, does P(A:B) mean power set of ratio of set A and B? Please correct me if I am going wrong because I am not sure about it.

Asked by kdimple765 | 24th Jun, 2022, 04:22: PM

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CBSE XI Science - Chemistry

bond order of n2

Asked by visalvinod06 | 23rd Jun, 2022, 07:39: AM

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CBSE XI Science - Chemistry

calculate the number of hydrogen atoms and oxygen atom in 1 mole of water!

Asked by bhagwatkrutika6 | 22nd Jun, 2022, 08:09: PM

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CBSE XI Science - Maths

A= {(x, y): x, y∈ I, X≥0, y≥0 and 5x + 6y ≤40} B= {(x, y): x, y∈ l, x≥0, y≥0 and 6x + 5y ≤ 40} Where I denotes set of integers, then n(A∩B) is

Asked by mohvijayjain12 | 22nd Jun, 2022, 11:07: AM

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