Notes chapter combustion and flame class 8
WebOct 4, 2024 · Combustion and Flame Class 8 Science NCERT Textbook Questions Question 1. List conditions under which combustion can take place. Answer: Combustion can take place in the presence of: (a) a combustible substance. (b) oxygen, that is, the supporter of combustion. (c) attainment of ignition temperature of the substance. Question 2. Fill in … WebScience - Class 8 (Chapter 01-10) Chapter 6 - Combustion and Flame– 4; Science - Class 8 (Chapter 01-10) ... Combustion and Flame Q51. Why some substances burn with a flame while as some burn without a flame? Ans. The substances which vapourise during burning, give flames. For example, kerosene oil and molten wax rise through the wick and are ...
Notes chapter combustion and flame class 8
Did you know?
WebFLAME. Color and temperature of a flame are dependent on the type of fuel involved in the combustion, as, for example, when a lighter is held to a candle. The applied heat causes the fuel molecules in the candle wax to vaporize. In this state they can then readily react with oxygen in the air, which gives off enough heat in the subsequent ... WebClass 8 Science Chapter 6 Combustion and Flame In this chapter, you will learn about different sorts of fuels are utilized for a different purpose at home, in industry and for running autos. Powers like cow dung, wood, coal, charcoal, petroleum, diesel, packed gaseous petrol (CNG) and so on are known to the students.
WebThe sixth chapter of combustion and flame class 8 notes is a deep dive into the various kinds of fuels and the process of combustion. Students will study how combustion takes … WebThese exam notes for Grade 8 Science will be very useful for upcoming class tests and examinations and help you to score good marks Combustion and Flame Notes Class 8 Science COMBUSTION & FLAME INTRODUCTION The most important source of energy is fuels. Flame is a region where combustion (or burning) of gasesous substance takes place.
WebA chemical process in which a substance reacts with oxygen to give off heat is called combustion. The substances which undergo combustion are known as combustible substances. It may also be called a fuel. Sometimes, heat is accompanied by light, either as a flame or as a glow, during combustion. Fuel may be solid, liquid or gas. WebSome examples of combustion. (i) Combustion of Magnesium: If a magnesium ribbon is heated, it starts burning (or undergoes combustion). When a magnesium ribbon burns, it combines with the oxygen of air to form magnesium oxide and liberates heat and light. (ii) Combustion of Charcoal: Charcoal is mainly carbon.
WebNovember 21, 2024. in 8th Class. NCERT Book for Class 8 Science Chapter 6 Combustion and Flame is available for reading or download on this page. Students who are in Class 8 …
WebJan 15, 2024 · Combustion and Flame Class 8 Science Chapter 6 as per NCERT Book used in CBSE and other Schools. The lesson covers the complete explanation of class 8 … cannot send gif on cricket phoneWebCombustion A chemical process in which a substance reacts with oxygen to give off heat and light is called combustion. The burning of wood is an example of combustion. … Combustion - Combustion is defined as a reaction between the element or … cannot send from shared mailbox in outlookWebTopics and Sub Topics in Class 8 Science Chapter 6 Materials combustion and flame: Combustion and Flame Class 8 Science NCERT Textbook Questions Question 1. List conditions under which combustion can take place. Answer: Combustion can take place in the presence of: (a) a combustible substance. (b) oxygen, that is, the supporter of … flag black white green stripe red triangleWebSep 11, 2024 · In this chapter we will study about the combustion, types of combustion, flames, fuels, and pollution caused by combustion of fuels.FUELSThe materials which ... flag black with yellow crossWebNCERT Exemplar Solutions for Class 8 Science Chapter 6 Combustion and Flame are provided here in PDF for easy access. In this chapter, students will learn about combustion, types of combustion, flames, and the structure of a flame. After reading the chapter, they will learn various safety measures that can be used during an emergency. cannot send email from shared mailbox outlookWebMar 15, 2024 · Chapter - 6, Combustion and Flame, Science, Class 8 INTRODUCTION COMBUSTION AND TYPES IGNITION TEMPERATURE INFLAMMABLE SUBSTANCE … cannot send email with nord vpnWebCombustion is a chemical process in which a substance reacts with oxygen and generates heat in the process. Combustible substances are those substances that undergo … cannot send emails in outlook.com