Question

Potassium nitrate and charcoal to provide more thrust than the sugar rocket fuel of potassium nitrate and sugar?

Answer 1

The reaction of sugar and nitrate makes heat, and the heat excites the metal filings, causing them to be oxidized and emit light. ... A mixture of sugar and potassium nitrate is a good rocket fuel as it represents the reaction of solids (nitrate and sugar) to form gases (carbon dioxide and water).