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

2. A piece of twig takes a longer time to catch hre than l piee ol pl3

1.	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
Answer» <p>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.</p> <p>thnq </p>