UrbanPro
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

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? (iii) 0.0125 + 0.7864 + 0.0215
- 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.

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

(6)
Top Tutor
locationImg Bajaj Nagar, Nagpur
3 yrs of Exp
Tutor
Online Classes Online Classes
homeTutions Student's Home
Skills: English , Mathematics and more

(5)
Top Tutor
locationImg HSR Layout, Bangalore
7 yrs of Exp
rsIcon 500 per hour
Certified tutor with 7 years of experience
Online Classes Online Classes
regularClasses Tutor's home
Skills: Mathematics , Physics and more

(48)
Top Tutor
locationImg Kodambakkam, Chennai
15 yrs of Exp students 22 students
3848 hrs of classes completed
rsIcon 500 per hour
Maths and Science for 10th std. Score 💯
Online Classes Online Classes
regularClasses Tutor's home
Skills: Mathematics , Physics and more

(36)
Top Tutor
locationImg Bhowanipore, Kolkata
12 yrs of Exp students 1 student
45 hrs of classes completed
rsIcon 300 per hour
M.Sc Chemistry,12 years of experience in teaching ( In K.V, coaching centres and home tuition).
Online Classes Online Classes
regularClasses Tutor's home
Satwik Vats

Ma'am helped me build a very strong foundation in Chemistry, especially in Organic and Physical chemistry. Eventually, I was able to score 91/100 in my Class XII Boards.

Skills: Chemistry

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


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

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