Structure of candle flame class 8
WebJan 15, 2024 · Answer: When the matchstick catches fire or is burnt, heat is released due to the burning of chemicals on the match head which partly decomposes the wood to form … WebDifferent Zones of Candle Flame Zones of candle flame can be categorized on the basis of color, luminescence and temperature. Outermost zone: This zone forms the veil of a …
Structure of candle flame class 8
Did you know?
WebStructure of candle flame In a general candle, flame color depends on the amount of oxygen, temperature, and nature of the substance that undergoes combustion. There are two types of flames: luminous and nonluminous … WebA mixture of antimony trisulphide, potassium chlorate and white phosphorus with some glue and starch was applied on the head of a match made of suitable wood. When struck against a rough surface, white phosphorus got ignited due to the heat of friction. This started the combustion of the match.
WebA candle flame consists of three different zones. Each zone has different temperatures. The first zone is the outer zone: Due to complete combustion, the outer zone is blue. This zone is the hottest when compared to the other zones. This blue coloured zone is the non-luminous part of the flame. WebApr 9, 2024 · The general structure of the flame is as shown below: The candle has a different zone. These zones are created by considering the energy created or released as …
WebMake a labelled diagram of a candle flame. Answer: Question 7. Name the unit in which the calorific value of a fuel is expressed. Answer: The calorific value of a fuel is expressed in a unit called kilojoule per kg (kJ/kg). Question 8. Explain how COA is able to control fires. Answer: CO 2, being heavier than oxygen, covers the fire like a blanket. WebPPT for Combustion and Flame, Class 9, CBSE. ... Structure of a candle flame :- A candle flame has three main zones. They are:- i) Outer zone ii) Middle zone iii) Inner zone In the outer zone complete combustion of the fuel takes place and the colour of the flame is blue and is the hottest part of the flame. It is the non luminous part of the ...
WebQ71. Explain the structure of candle flame with diagram. Ans. A flame consists of three zones. i. The innermost zone of a flame is dark (or black) – It consists of hot, unburnt vapours of the combustible materials. It is the least hot part of the flame. ii. The middle zone of a flame is yellow – It is bright and luminous.
WebThe hottest part of a candle flame is the __________. Abida and Ramesh were doing an experiment in which water was to be heated in a beaker. Abida kept the beaker near the wick in the yellow part of the candle flame. Ramesh kept the beaker in the outermost part of the flame. Whose water will get heated in a shorter time? lightech bratislavaWebGet NCERT Solutions, Notes and Worksheets of Chapter 6 Class 8 Science - Combustion and Flame at teachoo.In this chapter, we first explain the topics, and then solve the NCERT … lightech cabinet lightingWebMar 22, 2024 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact … lightech catalogoWebMar 16, 2024 · Structure of a Candle Flame Last updated at Feb. 24, 2024 by Teachoo A candle flame has 3 parts - innermost zone, middle zone and outer zone Innermost Zone … pea princess mangaWebLearn the concepts of Class 8 Chemistry Combustion and Flame with Videos and Stories. To outline different zones of a flame as luminous and non-luminous and demonstrate it; … lightech carbon fiber mirrorsWebMar 7, 2024 · Class 8 Class 8 Maths; Class 8 Science; Class 8 English; Class 9 Class 9 Maths; Class 9 Science; Class 9 English; Class 10 ... Let’s see the structure of a candle flame Next: Structure of a Candle Flame → Ask a doubt . Class 8; Chapter 6 Class 8 - Combustion And Flame; Concepts. lightech chain adjustersWebC. C is moderately hot. D. B is the hottest part of the flame. Answer: (B) A is the hottest part of the flame. Solution: A is the hottest part of the flame since the zone undergoes complete combustion. B undergoes partial combustion and is moderately hot. C is the innermost zone with unburnt wax vapours. lightech carbon mirrors