Read and download the CBSE Class 11 Chemistry Sample Paper Set Z Solved, designed by expert teachers according to the latest 2025-26 curriculum and examination pattern issued by CBSE, NCERT, and KVS. These Class 11 Chemistry sample papers include detailed step-by-step solutions, helping students to practice and evaluate their performance against the most recent marking schemes.
Solved Sample Paper for Class 11 Chemistry PDF
Our Class 11 Chemistry model papers are important for understanding the weightage of different chapters and the difficulty level of expected questions. By solving these guess papers Class 11 students can identify weak areas and improve time management. We also suggest referring to our Class 11 Chemistry Question Papers of previous years to further strengthen your exam preparation.
Class 11 Chemistry Sample Paper with Solutions
1. High concentration of fluoride is harmful to bones and teeth at levels over
a) 1 ppm b) 3ppm c) 5 ppm d) 10 ppm
2. Which of the following element can show covalency greater than 4.
a) Be b)B c) S d) O
3. Which of the following is not a green house gas
a) CO2 b) O3 c)CH4 d)N2
4. In Antartica, ,ozone depletion is due to the formation of
a)Acrolein b)Peroxyacetylnitrate c)formaldehyde d)Chlorine nitrate
5. All are primary pollutants except
a) H2SO4 b) SO2 c)NO2 d) particulate matter
6. The de-Broglie wavelength associated with a body of mass 1000g moving with a velocity 100 ms-1 is ( h=6.63x10-34 Js)
a) 6.62 x 10-39 m b) 6.62 x 10-38 m c) 6.62 x10-36cm d) 3.31x10-32m
7. Which of the following carbonate is the most stable?
a) CaCO3 b)MgCO3 c)SrCO3 d)BaCO3
8. The polarity of covalent bond is maximum in
a) F-F b) C-F c) N-F d) O-F
9. Suggest the factor which makes Li, the strongest reducing agent in aqueous solution.
a) Sublimation enthalpy b)Ionisation enthalpy
c) Hydration enthalpy d) Electron gain enthalpy
10. Which of the following species has tetrahedral geometry?
a) BH4 b)NH2 c)NH4 + d)CO32-
11. ____ and ____ are essential for the transmission of impulses along nerve fibres.
12. The deep blue colour of the solution of sodium in liquid ammonia is due to________
13. Excess nitrate in drinking water can cause disease like__________________
14. Bond angle in SF6 is____________-
15. The number of electrons ejected is directly proportional to ____ of the light
16. Give the Bohr formula to calculate the angular momentum of an electron.
17. Write the name of alkali metal cation which has the highest polarizing power?
18. Give two examples of odd electron molecules.
19. Write the name of the block in which element with atomic number 56 belongs?
20. What is the total number of electrons that can be accommodated in all the orbitals having principal quantum number 2 and azimuthal quantum number 1?
21. What happens when
a) Magnesium is burnt in air b) quick lime is heated with silica?
22. Explain the manufacture of washing soda.
23. Briefly explain Planck’s Quantum theory.
OR
Distinguish between orbit and orbital.(any two points of difference)
24. a) Electron has negative energy in an atom. Why?
b) How does Bohr model explain the simultaneous appearance of a large number of lines in the hydrogen spectrum?
OR
a) Define photoelectric effect
b) Give the significance of magnetic quantum number
25. The speed of an electron moving at 500m/s is measured within the accuracy of 0.02%. What would be the minimum error in determining its position?
( h=6.63x10-34 Js, Mass of electron = 9.1 x 10-31 Kg)
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Important Practice Resources for Class 11 Chemistry
How to download CBSE Class 11 Chemistry Sample Paper Set Z Solved in PDF?
Students can easily download the CBSE Class 11 Chemistry Sample Paper Set Z Solved from our website to prepare for their upcoming examinations. To score high marks, it is important for Class 11 students to understand the exaact pattern as per which teachers design the question papers. We strongly suggest that you practice these latest sample papers for Chemistry and solve different types of questions that are expected to come this year. You can downloadin PDF format so that you can practice offline. We also recommend that Class 11 students solve these papers actual exam conditions at home.
Why should you solve CBSE Class 11 Chemistry Sample Paper Set Z Solved?
Practicing these model papers has several benefits for Class 11 students:
- New Question Bank: This set has fresh questions for Chemistry which are different from previous years.
- Exam Pattern Knowledge: Solving more sets will help you to understand the weightage of each chapter in Class 11 and also the type of questions asked.
- Identify Weak Areas: Comparing your score in each set to find out topics in Class 11 Chemistry for which you need hard work.
- Speed and Accuracy: Attempting MCQ questions and long-form problems for Class 11 Chemistry makes you faster and better and you will be able to finish your exam on time.
What should you do after solving CBSE Class 11 Chemistry Sample Paper Set Z Solved?
- Check Your Work: Match your answers with the solutions given by our teachers in the Chemistry Sample Paper PDF.
- Learn from Mistakes: Class 11 students should focus on the questions which you solved incorrectly and understand the error.
- Revision: If you find a question difficult you shoul refer to NCERT book for Class 11 Chemistry to understand concepts and then try the question again.
- Continuous Practice: Solve multiple sets of Chemistry sample papers from studiestoday.com to build confidence before the CBSE exams.
You can download the complete PDF for CBSE Class 11 Chemistry Sample Paper Set Z Solved for free from StudiesToday.com. Our resources for Class 11 Chemistry are updated for the latest academic session and follow the official exam pattern.
Yes, CBSE Class 11 Chemistry Sample Paper Set Z Solved comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Chemistry to help students of Class 11 understand correct methodology and marking scheme.
Practicing this Chemistry paper helps in time management and identifying important topics. For Class 11, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.
Yes, all our study materials for Class 11 Chemistry are provided in a mobile-friendly PDF format. You can easily download CBSE Class 11 Chemistry Sample Paper Set Z Solved on your mobile device.