Diagram of candle flame class 8
WebJan 17, 2024 · What are the three zones of candle flame Class 8? The three zones are as follows: Outer zone. Middle zone. Inner zone. What are the zones of candle flame explain with diagram? A candle flame can be divided into three zones (as seen in the diagram – zone 1, 2 and 3). Zone 1 – It is the innermost zone of a flame. WebCombustion and Flames Class 8 Notes - Chapter 6. Introduction History of Wood and Candle Flame Candle Flame Matchstick Fire Extinguisher Calorific Value Pollution …
Diagram of candle flame class 8
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WebClass 8 >> Chemistry >> Combustion and Flame >> Flame >> Explain the different zones of a candle Question 1. Draw a diagram showing the different zones of candle flame. Label the zone which contains: Solution … Web(a) Make a labelled diagram of a candle flame: (b) What makes the middle zone of a candle flame luminous (or light-giving) ? Solution Outer Zone: This zone is blue in colour. It is the hottest part of the flame because complete combustion takes place in this zone. Middle Zone: This zone is yellow and orange in colour.
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 … WebJul 1, 2024 · Hii, In this video , I will tell you that how can we draw the diagram '' Candle Flame " in a very easy way . It is very helpful for the viewers who are either beginner or a fresher. If...
WebAug 19, 2024 · Calculate. (i) the refractive index of the liquid. (ii) the angle of refraction in the liquid. (iii) Draw two rays in the above diagram to show (how light reaches our eye from the object placed in water). Answer: (i) n = speed of light in air/speed of light in liquid. n = 3 × 10 8 /2.0 × 10 8. n = 1.5.
WebMar 14, 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 heat. The candles have a total of three zones. Each zone has a characteristic colour. These zones can help us to understand the temperatures of each zone. The three zones are as …
WebJun 17, 2024 · A candle flame has mainly three zones: (i) The innermost zone: The innermost zone of the flame is cooler than the other zones and it is dark. It contains the fuel (wax) in the gaseous state. (ii) The middle zone: This is the largest zone of the flame. It is also the bright zone. In this zone, the fuel burns partially and forms carbon particles. ching cheng hanji know your memeWebMay 31, 2024 · Make a labelled diagram of a candle flame. Answer 7. Name the unit in which the calorific value of a fuel is expressed. Answer The calorific value of a fuel is expressed in kilojoules per kilogram (kJ/kg). 8. … ching cheng hanji lyrics meaningWebOkay, and the flame would be in blue color as you can see the outmost. It has got a slight blue color. That is the outermost part of the flame and it is where complete combustion takes place and also it is the hottest part … grangers heating and air conditioningWebJul 13, 2024 · Answer: We know, v = c/n. Refractive index (n) of water is 1.333, whereas refractive index of kerosene is 1.44 and that of turpentine is 1.47. As refractive index of water is least, so speed of light in water is more than in kerosene and turpentine. Hence, light travels faster in water. Question 10. grangers heating and airWebVery Short Type Question. Question 1: Name some of the substances which burn without producing a flame. Answer: Coal and Charcoal. Question 2: Name two substances having low ignition temperature. Answer: paper and white phosphorus. Question 3: Name two substances having high ignition temperature. Answer: coal and log of wood. ching cheng hanji bass boostedWebNov 10, 2024 · Trace the path of rays in the following ray diagrams: Answer: DAV Class 8 4. When a spherical lens is held towards the Sun and a sharp image is formed on a piece of black paper, a hole gets burnt in the black paper, after some time. (a) Name the lens used in the above activity. Answer: Convex lens. ching cheng hanji lyrics in englishWebHow Candles Burn. All waxes are essentially hydrocarbons, which means they are largely composed of hydrogen (H) and carbon (C) atoms. When you light a candle, the heat of the flame melts the wax near the wick. This liquid wax is then drawn up the wick by capillary action. The heat of the flame vaporizes the liquid wax (turns it into a hot gas ... grangers heating \\u0026 air conditioning co irw ca