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 - Physics

Write down the expression for workdone in the extension of wire.

Asked by sompradhan37 | 21st Feb, 2020, 09:12: PM

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CBSE XI Science - Chemistry

Which is the element that has the highest first ionization potential?

Asked by Trisha Gupta | 19th Feb, 2020, 08:54: PM

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CBSE XI Science - Physics

mm

Asked by manjunathchenu689 | 19th Feb, 2020, 04:47: PM

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CBSE XI Science - Chemistry

In iupac naming of  (Ch3)3cch2ch(br)c6h5 we took aliphatic chain containing bromine as main chain but in naming of  M-ClCH2C6H4CH2C(CH3)3 we took benzene as main chain Why

Asked by govtsecschoolnayaganv051 | 19th Feb, 2020, 01:05: PM

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CBSE XI Science - Physics

How to get ratio     

Asked by amitjaswal1974 | 18th Feb, 2020, 07:54: PM

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CBSE XI Science - Physics

plzz answer this questions  

Asked by ABHILASHA | 18th Feb, 2020, 07:03: PM

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CBSE XI Science - Physics

THE angle b/w A=(i cap+j cap) and B=(i cap-j cap) is

Asked by ABHILASHA | 18th Feb, 2020, 06:57: PM

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CBSE XI Science - Physics

What does the universal gas constant R signifies

Asked by Shailendrarawat79100 | 18th Feb, 2020, 12:20: PM

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CBSE XI Science - Physics

calculate gravitational potential energy of a mass 2kg at height 2m on a planet whose mass is 5 times that of the earth and radius is same as that of the earth.(take g as 10m/s2)

Asked by rajanichandu.aeroit | 17th Feb, 2020, 07:27: PM

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CBSE XI Science - Chemistry

(i) Balance the following equations by oxidation number method: (1) Cu + HNO3 → Cu (NO3)2 + NO2 + H2O) (2) K2Cr2O7 + HCl → KCl + CrCl3 + H2O + Cl2 (ii) Give reasons for the following: (1) HNO3 acts only as an oxidising agent while HNO2 can act both as a reducing agent and an oxidising agent. (2) Chlorine liberates iodine from KI solution. How will you convert the following? (Give balanced equation.) (1) Sodium acetate to methane Find the oxidation number of: (1) S in Na2S4 O6 2) S in S subscript 4 space O subscript 6 superscript 2 minus end superscript

Asked by defence221175 | 17th Feb, 2020, 06:10: PM

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