WebCombustion and Flame Extra Questions Answers Class 8 . Answer: A chemical process in which a substance reacts with oxygen to give off heat is called combustion. Example: Burning of charcoal. ... Combustion and Flame Class 8 Extra Questions Long Answer Type Carbon fuels like wood, coal, petroleum release unburnt, carbon particles. ... 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. 7 types of interpersonal communication Web4. We can prepare tea in a paper cup and it does not catch fire. Why? 5. Name the clean fuel recommended to use in buses. 6. Which part of candle flame is hottest? 7. We can boil water in a paper cup while paper catches fire easily. WebOct 11, 2024 · Answer: Flame is a region where the burning or combustion of gaseous substances take place. Question 13. Define fuel. Answer: … astoria ny hotel pet friendly WebClass 8 Science Chapter 6 Important Extra Questions of Combustion and Flame for CBSE Board and State Board students free to use. All the questions are taken from the new NCERT Book issued for CBSE Session 2024-2024. 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 … 7 types of intelligence test WebMay 27, 2024 · Question 30. Rapid combustion occurs when. (a) gas bums and produces heat and light. (b) ...

WebNov 9, 2024 · Answer: Flame is a region where the burning or combustion of gaseous substances take place. Question 13. Define fuel. Answer: Those substances which provide energy on burning are called ‘fuels’; e.g., coal, petroleum, LPG, etc. Question 14. Give two examples each of solid fuels, liquid fuels and gaseous fuels. Answer: 7 types of interpersonal skills WebFeb 24, 2024 · Write them in their correct form. (a) Seldie is a combustible substance. (b) Slags is a non-combustible material. (c) Chittsmack does not burn by itself. (d) Some substances on combustion produce thea and mafel. (e) The amount of heat energy produced on complete combustion of 1 kg of a fuel is called its ficalroic value. WebAnswers. i.Petrol and diesel. ii.45,000 kilojoules per kilograms. iii.The excessive production of carbon dioxide gas causes the over-heating condition. This over-heating condition is … 7 types of intelligences WebNCERT Solutions for Class 8 Science Chapter 6. Access Answers of Science NCERT Class 8 Chapter 6 Combustion and Flame. Exercise Questions. 1. List conditions under which combustion can take place. Soln: The. WebShort Q&A: Q1: State the difference between burning of a candle and burning of a fuel like coal. View Answer. Q2: Explain combustion and combustible along with examples. View Answer. Q3: Food is a fuel for … 7 types of jazz music 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 …

WebOct 4, 2024 · Combustion and Flame Class 8 Science NCERT Textbook Questions. Question 1. List conditions under which combustion can take place. Answer: … astoria ny houses for sale WebCombustion and flame class 8 questions and answers pdf - Answer: The central zone in a candle flame is the zone of no combustion. Page No 90: Question 11:. ... Combustion and Flame Class 8 Extra Questions Short Answer Type. Question 1. What does magnesium burn to form? Answer: Magnesium burns to form ... astoria ny houses for rent