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2. A piece of twig takes a longer time to catch hre than l piee ol pl3. Goldsmiths blow the flame on gold or silver blocks from a distance, with a blow pipe. Why?t Gr He went |
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Answer» A goldsmith blows air into the kerosene lamp flame with a blow pipe so that complete combustion of fuel takes place and the temperature of the flame increases. The goldsmith requires a hotter flame to make jewellery. Otherwise the goldsmith blows the outermost, hotter zone of the flame on the jewellery. thnq |
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