Question

<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> Why does coal not burn with a flame?

Answer 1

<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> Flame is the gaseous part of the fire. [1 mark] The substances that don't vaporise while burning don't produce flames. So, coal burns without flames. [1 mark]