Candle diagram class 8
WebSo these are the three different parts of the candle flame and the one that's holding. The flame is the wax candle as you can see here. This is our bat scandal. So these are the … WebMay 31, 2024 · 10. The substances which give heat and light after combustion are called. a) flame. b) fuel. c) combustion. d) none of the above. b) fuel. Chapter 6 Class 8 Science NCERT Solutions will be useful in gaining good marks in the examinations. It will make entire memorizing process effortless and entertaining.
Candle diagram class 8
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Webof a ray diagram. Observe Fig.10.2 (a) closely. A number of rays parallel to the principal axis are falling on a concave mirror. Observe the reflected rays. They are all meeting/intersecting at a point on the principal axis of the mirror. This point is called the principal focus of the concave mirror. Similarly, observe Fig. 10.2 (b). WebNCERT Solutions for Class 8 Science Chapter 6 – 2 Mark Questions and Answers. Question 1. Abida and Ramesh were doing an experiment in which water was to be heated in a beaker. Abida kept the beaker near …
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 … WebMay 5, 2024 · Q.8. A 4.5 cm needle is placed 12 cm away from a convex mirror of focal length 15 cm. Give the location of the image and the magnification. Describe what happens as the needle is moved farther from the mirror. Q.9. An arrow 2.5 cm high is placed at a distance of 25 cm from a diverging mirror of focal length 20 cm., Find the nature, position …
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: 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.
WebThis is the black part of the flames that contains unburnt particles of the carbon from the wick i.e. unburnt fuel. Middle Part: This is the biggest …
WebIt is the non-luminous part of the flame. The middle zone of the candle flame is moderately hot and is yellow in colour, and partial combustion of … easycollage inloggenWebNational Council of Educational Research and Training cu press fitingiWebNov 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. easycollage bewertungWebDifferent 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 candle flame. It is a non luminous part of flame. It is slightly bluish in color and is the hottest part of flame with flame temperature 1400°C approx. easycollage couponWebApr 7, 2024 · 1) The Innermost zone of a flame is dark or black:It consist of hot,unburnt vapours of the combustible material.It is the least hot part of the flame.It is the coldest part of the flame. 2)The middle zone of a flame is … easycollage kortingscodeWebClass 8 Science Chapter 6 Combustion and Flame Exercise Questions and Answers. Question 1. List conditions under which combustion can take place. Presence of a combustible substance. Presence of oxygen, i.e., a supporter of combustion. Attainment of ignition temperature. Question 2. Fill in the blanks. cupressina norwayWebClass 8 Science Chapter 6 Combustion and Flame Exercise Questions and Answers. Question 1. List conditions under which combustion can take place. Presence of a … easycollage rabattcode