CBSE Class 11 Chemistry Some Basic Concepts Worksheet Set 04

Download Class 11 Chemistry Worksheets for Chapter 01 Some Basic Concepts of Chemistry

Review targeted practice sets for Class 11 Chemistry Chapter 01 Some Basic Concepts of Chemistry. Built according to official educational guidelines for the 2026-27 academic year, these downloadable worksheets support daily revision and core concept reinforcement.

Access Chapter 01 Some Basic Concepts of Chemistry Questions and Exercises

Access the complete worksheet PDF for Chapter 01 Some Basic Concepts of Chemistry below. Regular practice with these targeted questions builds familiarity with standard exam patterns and helps secure higher marks in final Chemistry evaluations.

 
1. Calculate the number of atoms and molecules in 224ml of Nitrogen gas at STP.
 
2. Carbon and oxygen combine to give two compounds. The carbon content in one is 42.9% and in the other it is 27.3%. How does this illustrate the law of multiple proportions?
 
3. Commercially available H2SO4 contains 98% acid by mass. Find the molarity if density of the sample is 1.84g/cc. What volume of this acid is required to make 2 L of 0.1 M solution?
 
4. Find the number of atoms of each type in 3.42g of sucrose (C12H22O11).
 
5. How many atoms are there in a) 72 amu of Carbon b) 72 g of carbon.
 
6. How many atoms of hydrogen are there in 1.7g of ammonia?
 
7. 400 mL each of H2 and O2 are mixed and ignited, find volume of water vapour formed?
 
8. What mass C12 will contain the same number of atoms as in 3.6g of O16?
 
9. Calculate mass of CO2 containing same number of oxygen atoms as in 3g of NO.
 
10. From 0.2g of CO2, 1021 molecules are removed. How many of moles of CO2 remain?
 
11. (i) Define the terms empirical formula and molecular formula.
 
(ii) A hydrocarbon on burning gave 3.38g of CO2 and 0.69g of H2O. 10 L of the gas at STP weighs 11.6g. Find empirical and molecular formula.
 
12. Aqueous magnesium chloride solution is marketed as 20% by mass. Its density is 1.18 g/ml. Calculate
(i) The mole fraction of each component
(ii) Molarity.
(iii) Molality
(iv) The concentration in ppm.
 
12. Define (i) ppm, (ii) molarity, (iii) molality and (iv) mole fraction
 
13. Calculate the mole fraction of ethanol in 0.5 m aqueous solution of ethanol.
 
14. The mole fraction of glucose in water is 0.35. What is the molality of the solution?
 
15. What is the effect of temperature on molarity and molality?
 
16. The density of a 3M solution of NaCl is 1.25g/mL. Calculate the molality of the solution.


Please click on below link to download CBSE Class 11 Chemistry Some Basic Concepts Worksheet Set D

Free study material for Chemistry

Download CBSE Practice Material: Class 11 Chemistry Chapter 01 Some Basic Concepts of Chemistry

Chapter 01 Some Basic Concepts of Chemistry Printable Worksheet for Class 11 Chemistry

Access structured practice worksheets for Chapter 01 Some Basic Concepts of Chemistry designed in alignment with the latest CBSE curriculum for Class 11 Chemistry. These printable problem sets help students build accuracy and prepare effectively for school tests.

How to Use These Practice Sheets

Built using the official NCERT book for Class 11 Chemistry, these practice materials provide reliable academic guidance. Pair your practice with our recommended NCERT solutions to master optimal problem-solving approaches.

Enhance Speed with Online Practice

Wrap up your chapter revision by testing your knowledge against standard question formats. Everything on our platform is provided free of charge.

FAQs

Where can I download the latest PDF for CBSE Class 11 Chemistry Some Basic Concepts Worksheet Set 04?

You can download the teacher-verified PDF for CBSE Class 11 Chemistry Some Basic Concepts Worksheet Set 04 from StudiesToday.com. These practice sheets for Class 11 Chemistry are designed as per the latest CBSE academic session.

Are these Chemistry Class 11 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 11 Chemistry Some Basic Concepts Worksheet Set 04 includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 11.

Do you provide solved answers for CBSE Class 11 Chemistry Some Basic Concepts Worksheet Set 04?

Yes, we have provided detailed solutions for CBSE Class 11 Chemistry Some Basic Concepts Worksheet Set 04 to help Class 11 and follow the official CBSE marking scheme.

How does solving CBSE Class 11 Chemistry Some Basic Concepts Worksheet Set 04 help in exam preparation?

Daily practice with these Chemistry worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 11 students get more marks in CBSE exams.

Is there any charge for the Class 11 Chemistry practice test papers?

All our Class 11 Chemistry practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 11 Chemistry Some Basic Concepts Worksheet Set 04 without any registration.