site stats

Structure of candle flame class 8

WebAnswer: A candle burns with a flame whereas coal does not. 6. Classify the fuels. Answer: The fuels are classified into solid, liquid and gas. 7. What are combustible substances? Answer: The substances that undergo combustion are called combustible substances. 8. Do all the fuels burn with a flame? WebMar 22, 2024 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact …

Combustion and Flame Class 8 Important Questions and Answers

WebC. 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. WebZones of Candle Flame. Structure of Flame. The outermost zone is the hottest among all zones and is blue in colour and this is due to complete combustion. It is the non-luminous … razer basilisk x hyperspeed application https://johnsoncheyne.com

Explain the different zones of a candle flame. - Toppr

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 ... WebApr 2, 2024 · Flames are caused by compounds that evaporate as they burn. Kerosene oil, wax, and other flammable substances are examples. Also Read: NCERT Class 8 SST … WebApr 7, 2024 · Structure of flame. A flame consist of three zones.These are Innermost zone,middle zone,outer zone.The three zones of a flame have different colours and different temperature. razer basilisk v3 wired review

Flame - Class 8, Combustion and Flame - Class Notes

Category:CBSE Class 8 Science Chapter 6 Combustion and Flame Objective Questions

Tags:Structure of candle flame class 8

Structure of candle flame class 8

combustion and flame - SlideShare

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 … WebApr 6, 2024 · Candle Flame The visible part of the fire, which contains gases, is called flame. Zones of Candle Flame The outer zone of flame undergoes complete combustion and is the hottest part of the flame. It is blue. It is non-luminous. The middle zone of flame undergoes partial combustion and is moderately hot. It is the brightest part.

Structure of candle flame class 8

Did you know?

WebGet 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 … 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 …

WebArrives by Tue, May 2 Buy FRCOLOR 4pcs Glass Candle Cover Glass Candleholder Tube Shade Open Flame Candle Chimney Tube Cover at Walmart.com 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 …

WebFeb 24, 2024 · On placing an inverted tumbler over a burning candle, the flame extinguishes after some time. This is because of non – availability of (a) oxygen (b) water vapours (c) carbon dioxide (d) wax If a person’s clothes catches fire, the best way to extinguish the fire is to: (a) throw water on the clothes. (b) use fire extinguisher. WebApr 7, 2024 · 1)When the oxygen supply or air supply is insufficient,then the fuels burn incompletely producing mainly a yellow flame.The yellow flame is caused by the glow of hot unburnt carbon particles produced due to incomplete combustion of fuel.This yellow flame produces light,so it is said to be luminous flame. When kerosene is burned in a lamp,it ...

WebCombustion 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 …

WebLearn 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; … razer basilisk x hyperspeed driver downloadWebZones of Flame. Candle flame has three different zones: An innermost zone, which is black and the least hot. The middle zone is reddish-orange and yellow in color. It is a luminous … razer basilisk wireless ultimateWebMake 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. razer basilisk x hyperspeed cenaWebThe 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? razer basilisk wireless mouseWebAug 24, 2024 · The candle soot particles were collected at two different heights of a candle flame (inner and outer most part) and studied as an adsorbent for a cationic dye MB. A similar XRD pattern was obtained for both IFP and OFP. The surface area of OFP (88 m 2 g −1) was found to be slightly more than that of IFP (48 m 2 g −1 ). simply wines direct voucher codeWebUnderstand the Flame of a Candle. Let us now understand the structure of flames with the context of the flames of a candle. For this, you will need … razer basilisk x hyperspeed not pairingrazer basilisk x hyperspeed left click issues