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Chapters
2: Force and Pressure
3: Light
4: Heat
5: Electricity
6: Sound
7: Magnetism
8: Universe and Space Science
9: Matter around us
10: Changes around us
▶ 11: Air
12: Atomic Structure
13: Water
14: Acids and Bases
15: Chemistry in Everyday Life
16: Microorganisms
17: Plant Kingdom
18: Organisation of Life
19: Movements in Animals
20: Reaching the Age of Adolescence
21: Crop Production and Management
22: Conservation of Plants and Animals
23: Libre Office Calc
![Samacheer Kalvi solutions for Science [English] Class 8 TN Board chapter 11 - Air - Shaalaa.com](/images/science-english-class-8-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Science [English] Class 8 TN Board chapter 11 - Air")
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Solutions for Chapter 11: Air
Below listed, you can find solutions for Chapter 11 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Science [English] Class 8 TN Board.
Samacheer Kalvi solutions for Science [English] Class 8 TN Board 11 Air Exercises [Pages 122 - 123]
Choose the best answer.
Which of the following is true about oxygen?
Completely burning gas
Partially burning gas
Doesn’t support burning
Supports burning
Aerated water contains
air
oxygen
carbon dioxide
nitrogen
Solvay process is a method to manufacture
lime water
aerated water
distilled water
sodium carbonate
Carbon dioxide with water changes
blue litmus to red
red litmus to blue
blue litmus to yellow
doesn’t react with litmus
Which of the following is known as azote?
Oxygen
Nitrogen
Sulpher
Carbon dioxide
Fill in the blanks.
______ is called a vital life.
Nitrogen is _______ than air.
_______ is used as a fertilizer.
Dry ice is used as a ______.
The process of conversion of iron into hydrated form of oxides is called _______.
Match the following.
| Nitrogen | Respiration in living animals |
| Oxygen | Fertilizer |
| Carbon dioxide | Refrigerator |
| Dry ice | Fire extinguisher |
Answer briefly.
Mention the physical properties of oxygen.
List out the uses of nitrogen.
Write about the reaction of nitrogen with non metals.
What is global warming?
What is dry ice? What are its uses?
Answer in detail.
What happens when carbon dioxide is passed through lime water? Write the equation for this reaction.
Name the compounds produced when the following substances burn in oxygen.
- Carbon
- Sulphur
- Phosphorous
- Magnesium
- Iron
- Sodium
How does carbon dioxide react with the following?
- Potassium
- Lime water
- Sodium hydroxide
What are the effects of acid rain? How can we prevent them?
Higher Order Thinking Questions.
Soda bottle bursts sometimes when it is opened during summer. Why?
It is said that sleeping beneath the tree during the night is not good for health. What is the reason?
Why does the fish die when it is taken out of water?
How do astronauts breathe when they go beyond the earth’s atmosphere?
Solutions for 11: Air
Samacheer Kalvi solutions for Science [English] Class 8 TN Board chapter 11 - Air
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Science [English] Class 8 TN Board Tamil Nadu Board of Secondary Education solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Samacheer Kalvi solutions for Mathematics Science [English] Class 8 TN Board Tamil Nadu Board of Secondary Education 11 (Air) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Samacheer Kalvi textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Science [English] Class 8 TN Board chapter 11 Air are Air Around Us, Air is a Mixture, Occurrence of Oxygen, Properties of Oxygen, Importance of Oxygen, Occurrence of Nitrogen, Properties of Nitrogen, Carbon Dioxide, Global Warming, Importance of Nitrogen, Nitrogen Fixation, Properties of Carbon Dioxide, Importance of Carbon Dioxide, Green House Effect, Preventive Measures of Green House Effect, Preventive Measures of Global Warming, Acid Rain, Preventive Measures of Acid Rain, Composition and Components of Air.
Using Samacheer Kalvi Science [English] Class 8 TN Board solutions Air exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Science [English] Class 8 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
Get the free view of Chapter 11, Air Science [English] Class 8 TN Board additional questions for Mathematics Science [English] Class 8 TN Board Tamil Nadu Board of Secondary Education, and you can use Shaalaa.com to keep it handy for your exam preparation.
