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Balbharati solutions for Class 9 Science and Technology chapter 13 - Carbon : An important element

Balbharati Class 9 Science and Technology

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Balbharati Balbharati Class 9 Science and Technology

Balbharati Class 9 Science and Technology - Shaalaa.com

Chapter 13: Carbon : An important element

Exercise

Chapter 13: Carbon : An important element Exercise Exercise solutions [Page 149]

Exercise | Q 1.1 | Page 149

Select the proper option and complete the statement

(single, all, double, ionic, carbon, give and take, hydrogen, multiple, share, most, covalent)

A carbon atom forms a …… bond with other atoms. In this bond the two atoms ….electrons. 

Exercise | Q 1.2 | Page 149

Select the proper option and complete the statement

(single, all, double, ionic, carbon, give and take, hydrogen, multiple, share, most, covalent)

All the carbon bonds in a saturated hydrocarbon ....…. electrons.

Exercise | Q 1.3 | Page 149

Select the proper option and complete the statement

(single, all, double, ionic, carbon, give and take, hydrogen, multiple, share, most, covalent)

At least one carbon bond in an unsaturated hydrocarbon is …. 

Exercise | Q 1.4 | Page 149

Select the proper option and complete the statement

(single, all, double, ionic, carbon, give and take, hydrogen, multiple, share, most, covalent)

….. is the essential element in all the organic compounds. 

Exercise | Q 1.5 | Page 149

Select the proper option and complete the statement

(single, all, double, ionic, carbon, give and take, hydrogen, multiple, share, most, covalent)

The element hydrogen is present in ….. organic compound. 

Exercise | Q 2.1 | Page 149

Answer the following question

Why are carbon and its compounds used as fuels?

Exercise | Q 2.2 | Page 149

Answer the following question

In which compound forms does carbon occur?

Exercise | Q 2.3 | Page 149

Answer the following question

Write the uses of diamond. 

Exercise | Q 3.1 | Page 149

Explain the difference : 

Diamond and graphite

Exercise | Q 3.2 | Page 149

Explain the difference

Crystalline and non-crystalline forms of carbon. 

Exercise | Q 4.1 | Page 149

Write scientific reason

Graphite is a conductor of electricity. 

Exercise | Q 4.2 | Page 149

Write scientific reason

Graphite is not used in ornaments.

Exercise | Q 4.3 | Page 149

Write scientific reason

Limewater turns milky when CO2 is passed through it. 

Exercise | Q 4.4 | Page 149

Write scientific reason

Biogas is an eco-friendly fuel.

Exercise | Q 5.1 | Page 149

Explain the following. 

Diamond, graphite and fullerenes are crystalline forms of carbon. 

Exercise | Q 5.2 | Page 149

Explain the following. 

Methane is called marsh gas. 

Exercise | Q 5.3 | Page 149

Explain the following. 

Petrol, diesel, coal are fossil fuels. 

Exercise | Q 5.4 | Page 149

Explain the following. 

Uses of various allotropes of carbon. 

Exercise | Q 5.5 | Page 149

Explain the following. 

Use of CO2 in fire extinguisher. 

Exercise | Q 5.6 | Page 149

Explain the following. 

Practical uses of CO2.

Exercise | Q 6.1 | Page 149

Write two physical properties which is given below

Diamond 

Exercise | Q 6.2 | Page 149

Write two physical properties which is given below

Charcoal 

Exercise | Q 6.3 | Page 149

Write two physical properties which is given below

Fullerene 

Exercise | Q 7.1 | Page 149

Complete the following Chemical reaction. 

 ........+....... → CO2 + 2H2O + Heat

Exercise | Q 7.2 | Page 149

Complete the following Chemical reaction.

..........+......... →CH3Cl + HCl

Exercise | Q 7.3 | Page 149

Complete the following Chemical reaction.

2 NaOH + CO2 → ........+........ 

Exercise | Q 8.1 | Page 149

Write answer to the following in detail. 

What are the different types of coal? What are their uses? 

Exercise | Q 8.2 | Page 149

Write answer to the following in detail.

How will you prove experimentally that graphite is good conductor of electricity? 

Exercise | Q 8.3 | Page 149

Write answer to the following in detail. 
Explain the properties of carbon.

Exercise | Q 8.4 | Page 149

Write answer to the following in detail.

Classify carbon.

Exercise | Q 9 | Page 149

How will you verify the properties of carbon dioxide? 

Chapter 13: Carbon : An important element

Exercise

Balbharati Balbharati Class 9 Science and Technology

Balbharati Class 9 Science and Technology - Shaalaa.com

Balbharati solutions for Class 9 Science and Technology chapter 13 - Carbon : An important element

Balbharati solutions for Class 9 chapter 13 (Carbon : An important element) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board Balbharati Class 9 Science and Technology solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Balbharati textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 9 Science and Technology chapter 13 Carbon : An important element are Methane, Hydrocarbons : basic organic compounds, Carbon dioxide, Non-crystalline / Amorphous forms, Crystalline forms, Carbon.

Using Balbharati Class 9 solutions Carbon : An important element exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Balbharati Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board Class 9 prefer Balbharati Textbook Solutions to score more in exam.

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