WebOct 12, 2024 · Combustion and Flame Class 8 Extra Questions Short Answer Type 1. Question 1. Define calorific value of fuel. Calorific value : The amount of heat energy … WebOct 12, 2024 · Combustion and Flame Class 8 Extra Questions Short Answer Type 1. Question 1. Define calorific value of fuel. Calorific value : The amount of heat energy … acteur what if netflix WebSep 4, 2024 · Flame is a region where the burning or combustion of gaseous substances take place. Question 13. Define fuel. Answer: Those substances which provide energy … WebAnswer: Wood, paper, kerosene oil, charcoal etc. 11. Write the names of some non-combustible substances. Answer: Mud, stone, glass etc. 12. On the basis of the combustion classify the substances. Answer: These are two types of substances: (i) Combustible (ii) Non‑combustible. 13. acteur whitaker Webcarbon dioxide and water. B. oxygen and water. C. only carbon dioxide. D. only oxygen. Detailed Solution for Important Questions: Combustion And Flame - Question 9. A is … WebChapter 6 of NCERT Class 8 Science provides knowledge on combustion, its requirements, types, flames and a brief about fuel. Students willing to attain a grip over … acteur what if WebJan 22, 2024 · Combustion and Flame Class 8 Science Chapter 6 Extra Questions and Answers are provided here. We prepared these extra questions based on the latest NCERT Class 8 Science Book. CBSE Class 8 Science Chapter 6 Combustion and Flame Extra Questions will help you to properly understand a particular concept of the chapter.

Web1. Combustion is a chemical process in which a substance reacts with oxygen to give out heat energy. 2. All the substances that undergo combustion are said to be combustible. 3. A combustible substance may be solid, liquid or gaseous. 4. The presence of air is very necessary for combustion. 5. WebClass 8 Science Chapter Combustion And Flame Question 11. Define combustible and non-combustible substances. Answer: The substance that undergoes combustion is … acteur whiplash batteur WebGet MCQ based objective questions and HOT Questions with solution for chapter-6 - Combustion and Flame.Extra Questions for 6 - Combustion and Flame are with detail solutions. Do follow NCERT text Book solve questions given in NCERT text book with the help of Physics Wallah NCERT solutions for class 8 Science . Students can also access … WebClass 8 science chapter 6 extra questions mcq - There is Class 8 science chapter 6 extra questions mcq that can make the process much easier. ... MCQ Combustion and … arcadia az high school WebCombustion and flame class 8 Extra Questions; General Instructions. Your test contains multiple-choice questions with only one answer-type question. There are a total of 15 … WebPhosphorus. (h) combustible at 25°C. 9. Acid rain. (j) Oxides of nitrogen and sulphur. 10. Hydrogen. (f) Highest calorific value. We think the shed NCERT MCQ Questions for … acteur what if marvel WebJun 20, 2024 · Answer. (a) The flame extinguishes because of non-availability of oxygen. Air or oxygen is necessary for combustion. Question. 7 If a person’s clothes catch fire, the best way to extinguish the fire is to. (a) throw water on the clothes. (b) use fire extinguisher. (c) cover the person with a woollen blanket.

arcadia backpackers cambodia WebMar 21, 2024 · Combustion: Combustion is a chemical reaction in which a material combines with oxygen present in air to produce heat. b. Fuel: Fuels are the substances … acteur whitaker frere