Diagram of candle flame class 8

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 … WebSometimes, heat is accompanied by light, either as a flame or as a glow, during combustion. Fuel may be solid, liquid or gas. A combustion reaction maybe written as-. (a) Charcoal burns in air to give carbon dioxide and heat. C + O 2 → CO 2 + Heat. (b) Methane bums in air forming carbon dioxide, water and heat. CH 4 + 2O 2 → CO 2 + 2H 2 O ...

NCERT Solutions for Class 8 Science Chapter 6 …

WebMay 31, 2024 · You will get NCERT Solutions for Class 8 Science Chapter 6 Combustion and Flame which are helpful in passing exams with flying colours. Through these NCERT Solutions, students should not waste … WebA hot glowing body of ignited gas that is generated by something on fire is called Flame. Fire can be controlled by removing one or more requirements essential for producing fire. Water is commonly used to control fires. Water cannot be used to control fires involving electrical equipments or oils. There are three different zones of a flame ... iph cva https://digitalpipeline.net

Explain the different zones of a candle flame. - Toppr …

WebHow To Draw Different Zones And Labels Of Candle Flame Candle Flame Diagram Class 8 - YouTube Hello Viewers, Welcome To BADARPUR DRAWING ACADEMY,Thank you for visiting, here this... WebVery 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. WebWhen you light a candle a combustion reaction takes place with the wax of the candle which is the fuel and the air which contains oxygen. The flames are the are in which this combustion reaction is taking place. The release … iphc women\u0027s ministries

Combustion and Flame Class 8 Science Extra Questions and Answers

Category:How many zones are present in the candle flame? - Vedantu

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Diagram of candle flame class 8

Structure of flame - Class 8, Combustion and Flame - Class Notes

WebMar 30, 2024 · NCERT Question 6 - Chapter 6 Class 8 - Combustion And Flame Last updated at March 16, 2024 by Teachoo Make a labelled diagram of a candle flame. Answer We follow these steps We first make … WebDraw a labelled diagram of a candle flame and explain what happens in each zone. Solution There are three zones in a candle flame. All these three zones have different …

Diagram of candle flame class 8

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WebApr 7, 2024 · 3)The outer zone of a flame is blue:It is a non-luminous zone.In this zone,complete combustion of the fuel takes place because there is plenty of air around it.The outermost zone has the highest … WebCandle flame Class 8 Diagram drawingDifferent zones of Candle Diagram

WebApr 7, 2024 · Make a Labeled Diagram of a Candle Flame. Ans: A labeled diagram of a candle flame is: 7. Name the Unit in Which the Calorific Value of a Fuel is Expressed. ... Combustion and Flame Class 8 NCERT … WebMay 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. …

WebCombustion and Flames Class 8 Notes - Chapter 6. Introduction History of Wood and Candle Flame Candle Flame Matchstick Fire Extinguisher Calorific Value Pollution … 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.

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 …

WebHow 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 ... iphd460000h000fhttp://aven.amritalearning.com/index.php?sub=101&brch=298&sim=1504&cnt=3480 iphc youth center picturesWeb23. Draw a labeled diagram to explain the formation of a rainbow in the sky. 24. Why does the clear sky appear blue? How would the sky appear in the absence of the earth’s atmosphere? 25. A student wants to project the image of a candle flame on a screen 60cm in front of a mirror by keeping the flame at a distance of 15cm from its pole. a. iphc youth choirWebNov 10, 2024 · Make a labelled diagram of a candle flame. 6. Name the unit in which the calorific value of a fuel is expressed. 7. Explain how CO 2 is able to control fires. 8. It is difficult to burn a heap of green leaves but dry leaves catch fire easily. Explain. 9. iph dcWebMar 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 … iphc youthWebNov 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. iphd - a guide to living in sfaWebCombustion 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 … iphc youtube videos