SpletAn extra flame is created when a metal tube was inserted to the non-luminous zone of the candle flame. What is the substance of the candle flame which caused the above effect ? (1) Oxygen gas (2) Wax vapour (3) Liquidized wax (4) Incandescent carbon particles 12. A type of root origin from the stem of a plant that can be prevented from the ... SpletDoes it indicate that the non-luminous zone of the flame has a high temperature? In fact, this part of the flame is the hottest part (Fig. 6.13). Fig. 6.13: Different Zones of Candle flame. Goldsmiths blow the outermost zone of a flame with a metallic blow-pipe for melting gold and silver (Fig. 6.14). Why do they use the outermost zone of the ...
Which zone of a candle flame is the hottest - Byju
Splet01. sep. 2024 · If a glass plate/slide is held into the luminous part of candle flame we see a circular blackish ring that represents: (a) unburnt carbon particles (b) formation of coal (c) burnt carbon particles (d) Both burnt carbon particles & formation of coal (a) unburnt carbon particles. 9. Burning of LPG is an example of : Splet30. dec. 2024 · Answer: There are four different zones of a candle flame. They are as follows: Non luminous zone: The non luminous zone is the hottest part and the outermost layer of the candle flame. Complete combustion happens because of the competent supply of oxyen. The flame appears blue but it is very thin and not clearly visible. modern machines used for agriculture
Is a candle flame luminous? - Answers
Splet20. apr. 2024 · The three zones of a candle flame have different colours. The innermost zone is black, the central zone or middle zone is yellow whereas the outer zone is blue in colour. The innermost zone of a candle … SpletPred 1 dnevom · In the medieval era, scholars might speak of writing for two candles per night. “The world we live in is far too bright,” says Plumb. “All that light adds extra noise … SpletMar 24,2024 - If a glass plate/slide is held into the luminous part of candle flame we see a circular blackish ring that represents:a)unburnt carbon particlesb)formation of … modern machinery supplies ltd lisburn