UrbanPro
Login Ask & Answer Success Stories Paid Courses Free Classes Tuition & Classes Fees Write a Review Help Center
Post your Learning Need Signup as a Tutor
✕

Popular Cities

Bangalore

Hyderabad

Delhi

Mumbai

Chennai

Pune

Kolkata

Gurgaon

Ahmedabad

Jaipur

Noida

✕
true
Worksheet Homepage
Worksheet Icon

Free CBSE Worksheets

Get a custom worksheet to practice!

Board

subject

Select a Class

Please select another category

Select Chapter(s)

Chapters & Subtopics

Advanced»

Select type of questions

Select the length of worksheet

Questions (5 to 100)

No of questions have to be between 5 to 100

CBSE - Class 11 > Chemistry > Some Basic Concepts of Chemistry Worksheets

Free CBSE - Class 11 Chemistry - Some Basic Concepts of Chemistry worksheets

Sample Worksheets

Here is a Sample Worksheet for you to Practice. Download this worksheet to see the answers.

1.
Use the data given in the following table to calculate the molar mass of naturally occuring argon isotopes:
Isotope Isotopic molar mass Abundance
$^{36}Ar$ 35.96755 g $mol^{-1}$ 0.337%
$^{38}Ar$ 37.96272 g $mol^{-1}$ 0.063%
$^{40}Ar$ 39.9624 g $mol^{-1}$ 99.600%
2.
Calculate the number of atoms in each of the following (i) 52 moles of Ar
3.
Calculate the number of atoms in each of the following (ii) 52 u of He
4.
Calculate the number of atoms in each of the following (iii) 52 g of He.
5.
A welding fuel gas contains carbon and hydrogen only. Burning a small sample of it in oxygen gives 3.38 g carbon dioxide, 0.690 g of water and no other products. A volume of 10.0 L (measured at STP) of this welding gas is found to weigh 11.6 g. Calculate (i) empirical formula
6.
A welding fuel gas contains carbon and hydrogen only. Burning a small sample of it in oxygen gives 3.38 g carbon dioxide, 0.690 g of water and no other products. A volume of 10.0 L (measured at STP) of this welding gas is found to weigh 11.6 g. Calculate (ii) molar mass of the gas
7.
A welding fuel gas contains carbon and hydrogen only. Burning a small sample of it in oxygen gives 3.38 g carbon dioxide, 0.690 g of water and no other products. A volume of 10.0 L (measured at STP) of this welding gas is found to weigh 11.6 g. Calculate (iii) molecular formula.
8.
Calcium carbonate reacts with aqueous HCl to give $CaCl_2$ and $CO_2$ according to the reaction, $CaCO_3 (s) + 2 HCl (aq) \rightarrow CaCl_2 (aq) + CO_2(g) + H_2O(l)$. What mass of $CaCO_3$ is required to react completely with 25 mL of 0.75 M HCl?
9.
Chlorine is prepared in the laboratory by treating manganese dioxide ($MnO_2$) with aqueous hydrochloric acid according to the reaction
$4 HCl (aq) + MnO_2(s) \rightarrow 2H_2O (l) + MnCl_2(aq) + Cl_2 (g)$
How many grams of HCl react with 5.0 g of manganese dioxide?
10.
How many significant figures should be present in the answer of the following calculations? (i) $\frac{0.02856 \times 298.15 \times 0.112}{0.5785}$
Download Download this Worksheet
- OR -

Build a Custom CBSE - Class 11 Chemistry - Some Basic Concepts of Chemistry worksheets

Download free printable Unit 1-Basic Concepts of Chemistry Worksheets to practice. With thousands of questions available, you can generate as many Unit 1-Basic Concepts of Chemistry Worksheets as you want.

Chapters in CBSE - Class 11 Chemistry

Structure of Atom Worksheet Classification of Elements and Periodicity in Properties Worksheet Chemical Bonding and Molecular Structure Worksheet Thermodynamics Worksheet Equilibrium Worksheet Redox Reactions Worksheet Organic Chemistry – Some Basic Principles and Techniques Worksheet Hydrocarbons Worksheet

Free Unit 1-Basic Concepts of Chemistry Worksheets

Our worksheets are designed to help students explore various topics, practice skills and enrich their subject knowledge, to improve their academic performance. Designed by experts who have extensive experience and expertise in teaching a subject, these worksheets will improve your child's problem-solving skills and subject knowledge in a fun and interactive manner.

Check out our free customized worksheets across school boards, grades, subjects, and levels of subject knowledge. You can download, print, and share these worksheets with anyone, anywhere, anytime!

Top Tutors who teach CBSE - Class 11 Chemistry Some Basic Concepts of Chemistry

Hrithik C. Some Basic Concepts of Chemistry in Noida

+5

Hrithik C.
(1067)
superTutorSuper Tutor
locationImg Knowledge Park II, Noida
8 yrs of Exp students 292 students
42994 hrs of classes completed
rsIcon 400 per hour
I have been mentoring students since 9 years to students all over India
Online Classes Online Classes
Sapna

I’m very thankful to have such an excellent Physics and Chemistry tuition sir for my son.He explains even difficult concepts in a very simple and clear way, making both subjects much easier to understand. His focus on strong fundamentals and regular practice has really improved my son's confidence and performance. He is patient, dedicated, and always ready to clear doubts. His guidance and motivation have made a big difference in his learning. I highly recommend him to any student who wants strong conceptual clarity and great results.

Skills: Physics , Chemistry
Book a FREE Demo
Gaurav Parashar
(27)
superTutorSuper Tutor
locationImg Tilak Nagar, Delhi
8 yrs of Exp students 9 students
306 hrs of classes completed
rsIcon 600 per hour
Feel the Chemistry and get maximum marks in JEE MAINS / ADVANCED, NEET or BOARD EXAM
Online Classes Online Classes
Skills: Chemistry
Book a FREE Demo
Dheeraj pratap Singh
(214)
superTutorSuper Tutor
locationImg J.P. Nagar 1st Phase, Bangalore
7 yrs of Exp students 49 students
1662 hrs of classes completed
rsIcon 300 per hour
Qualification - IIT JAM Qualified with 7 + year experience*
Online Classes Online Classes
Goutham

Dheeraj sir is an exceptional teacher whose passion and patience transform complex subjects into engaging lessons, fostering a supportive classroom where students feel empowered to ask questions and grow. His ability to connect personally, offer extra help, and inspire confidence makes learning not just effective, but truly inspiring, leaving a lasting impact on his students' academic and personal development.

Skills: Physics , Chemistry
Book a FREE Demo
Dr anupa M.
(55)
Top Tutor
locationImg HSR Layout, Bangalore
20 yrs of Exp students 28 students
1298 hrs of classes completed
rsIcon 600 per hour
Unlocking the Magic of Molecules: Where Chemistry Comes to Life!
Online Classes Online Classes
regularClasses Tutor's home
Skills: Chemistry
Book a FREE Demo

Top Concept Videos in Chemistry Some Basic Concepts of Chemistry

Mole concept video thumbnail

Mole concept

CBSE - Class 11>Chemistry>Some Basic Concepts of Chemistry

Provider Image
Pooja Sabre
Super TutorSuper Tutor
The Counting Bridge of Chemical Reactions video thumbnail

The Counting Bridge of Chemical Reactions

CBSE - Class 11>Chemistry>Some Basic Concepts of Chemistry

Provider Image
Sakshi Soam
Super TutorSuper Tutor
Explore all Unit 1-Basic Concepts of Chemistry concept videos
Worksheet
Worksheet Icon

Free CBSE Worksheets

Get a custom worksheet to practice!

Board

subject

Select a Class

Please select another category

Select Chapter(s)

Chapters & Subtopics

Advanced»

Select type of questions

Select the length of worksheet

Questions (5 to 100)

No of questions have to be between 5 to 100

Browse CBSE - Class 11 Worksheets by Subject

Arts / Humanities Worksheet Commerce Worksheet Physics Worksheet Chemistry Worksheet Biology Worksheet Psychology Worksheet Accountancy Worksheet Business Studies Worksheet Economics Worksheet Entrepreneurship Worksheet Mathematics Worksheet

Class-wise Worksheets

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more

ThinkVidya Learning Pvt Ltd © 2010-2026 All Rights Reserved