Question

Bhaskar holds a piece of iron wire with a pair of tongs inside that flamof a Bunsen burner. After some time what will he observe? Does the price of wire produces a flame? ​

Answer 1

when iron is heated it expands

Answer 2

If you hold a piece of iron wire inside the flame of candle or bunsen burner, it will become red hot. It will glow and its colour will become red. But there will not be any flame producing from iron.