Question

Explain the following type of chemical reaction, giving two examples for it:

Combination reaction

Answer 1

A combination reaction is a reaction in which two or more substances combine to form a single substance.
Examples:

1. When iron and sulphur are heated together, they combine to form iron sulphide.
   \[\ce{Fe + S ->[heat] FeS}\]
2. When carbon burns in oxygen, it forms a gaseous compound called carbon dioxide.
   \[\ce{C + O2 ->[heat] CO2 + Heat}\]