CBSE Class 11 Chemistry Some Basic Concepts Of Chemistry Worksheet Set A

CBSE Class 11 Chemistry Worksheet - Some Basic Concepts Of Chemistry. Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and CCE guidelines. Students and parents can download free a collection of all study material issued by various best schools in India. The study material has been carefully compiled by the best teachers in India. The students should practice the questions database to get better marks in examination. Please refer to other links for free download of high quality study material. Based on CBSE and CCE guidelines. Based on the same pattern as released by CBSE every year. Study material for final/ term/ SA1/ SA2 Examinations conducted by various schools affiliated to Central Board of Secondary Education (CBSE) in India and abroad. CBSE Study material has been compiled to help students preparation which will helps the students to concentrate more in areas which carry more marks.


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Subject : Chemistry Std.- XI / Sec.: Worksheet :1



Q1. How is atmosphere related to kilopascal ? 1M

Q2. What is the difference between 5 g and 5.0 g ? 1M

Q3. What is the length in centimeters of a glass rod 7.82 inches long ? 1M

Q4. Calculate the mass of 3 g molecules of nitric acid. 1M

Q5. Differentiate between molecular mass and formula mass. 1M

Q6. What will be the mass of one 12C atom in g ? 2M

Q7. Calculate the total number of electrons present in 1.6 g of methane. 1M

Q8. How is empirical formula related to its molecular formula ? 1M

Q9. What is the mass in grams of one molecule of caffeine (C8H10N4O2) ? 1M

Q10. Explain precision and accuracy with suitable examples. 2M

Q11. Carbon and oxygen are known to form two compounds. The carbon content in  one of these is 42.9% while in the other it is 27.3%. Show that this data is in agreement with the law of multiple proportions

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