Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 8th
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Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide chapter 15 - Chemistry in Everyday Life [Latest edition]

Chapters

Class 8th Science Answers Guide - Shaalaa.com
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Chapter 15: Chemistry in Everyday Life

Exercise
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Exercise [Pages 178 - 179]

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide Chapter 15 Chemistry in Everyday LifeExercise [Pages 178 - 179]

Choose the best answer.

Exercise | Q I. 1. | Page 178

The chemical mixed with LPG that helps in the detection of its leakage is _______.

  • methanol

  • ethanol

  • camphor

  • mercapton

Exercise | Q I. 2. | Page 178

Which is known as syngas?

  • Marsh gas

  • Water-gas

  • Producer gas

  • Coal gas

Exercise | Q I. 3. | Page 178

The unit of calorific value of fuel is ______.

  • KJmol-1

  • KJg-1

  • KJkg-1

  • Jkg-1

Exercise | Q I. 4. | Page 178

_____ is the coal of superior quality.

  • Peat

  • Lignite

  • Bituminous

  • Anthracite

Exercise | Q I. 5. | Page 179

The main component of natural gas is ________.

  • methane

  • ethane

  • propane

  • butane

Exercise [Page 179]

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide Chapter 15 Chemistry in Everyday LifeExercise [Page 179]

Fill in the blanks.

Exercise | Q II. 1. | Page 179

Producer gas is a mixture of _______ and _______.

Exercise | Q II. 2. | Page 179

_______ is known as marsh gas.

Exercise | Q II. 3. | Page 179

The term petroleum means ________

Exercise | Q II. 4. | Page 179

Heating coal in the absence of air is called ______.

Exercise | Q II. 5. | Page 179

An example for fossil fuel is _______.

Exercise [Page 179]

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide Chapter 15 Chemistry in Everyday LifeExercise [Page 179]

Exercise | Q III. | Page 179

Match the following.

Octane rating Diesel
Cetane rating Methane
Simplest hydrocarbon Petrol
Peat Bown in colour
Lignite First stage coal
Exercise [Page 179]

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide Chapter 15 Chemistry in Everyday LifeExercise [Page 179]

Answer briefly.

Exercise | Q IV. 1. | Page 179

What do you mean by catenation?

Exercise | Q IV. 2. | Page 179

Mention the advantages of natural gas.

Exercise | Q IV. 3. | Page 179

Expand CNG. List out its uses.

Exercise | Q IV. 4. | Page 179

Identify the gas known as syngas. Why is it called so?

Exercise | Q IV. 5. | Page 179

Anthracite is known as the highest-grade coal. Give reason.

Exercise | Q IV. 6. | Page 179

Distinguish between octane number and cetane number.

Exercise | Q IV. 7. | Page 179

Name the places in Tamilnadu harnessing wind energy from wind mills.

Exercise | Q IV. 8. | Page 179

Solar energy is a non depleting energy. Justify.

Exercise [Page 179]

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide Chapter 15 Chemistry in Everyday LifeExercise [Page 179]

Answer in detail.

Exercise | Q V. 1. | Page 179

Explain the different types of coal.

Exercise | Q V. 2. | Page 179

What is known as destructive distillation? Write about the products obtained from fractional distillation of petroleum.

Exercise | Q V. 3. | Page 179

Explain the different types of fuel gases.

Chapter 15: Chemistry in Everyday Life

Exercise
Class 8th Science Answers Guide - Shaalaa.com

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide chapter 15 - Chemistry in Everyday Life

Tamil Nadu Board Samacheer Kalvi solutions for Class 8th Science Answers Guide chapter 15 (Chemistry in Everyday Life) 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 Tamil Nadu Board of Secondary Education Class 8th Science Answers Guide 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. Tamil Nadu Board Samacheer Kalvi textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 8th Science Answers Guide chapter 15 Chemistry in Everyday Life are Natural Gas, Types of Fuel, Wind Energy, Other Gases, Fuel Efficiency, Non-crystalline/Amorphous Forms: Cock, Non-crystalline/Amorphous Forms: Coal, Fuel, Petroleum, Extraction of Coal, Hydrocarbons, Sources of Hydrocarbons, Bio-energy, Refining of Crude Petroleum, Solar Energy.

Using Tamil Nadu Board Samacheer Kalvi Class 8th solutions Chemistry in Everyday Life 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 Tamil Nadu Board Samacheer Kalvi Solutions are important questions that can be asked in the final exam. Maximum students of Tamil Nadu Board of Secondary Education Class 8th prefer Tamil Nadu Board Samacheer Kalvi Textbook Solutions to score more in exam.

Get the free view of chapter 15 Chemistry in Everyday Life Class 8th extra questions for Class 8th Science Answers Guide and can use Shaalaa.com to keep it handy for your exam preparation

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