రసాయన ప్రతిచర్య: కూర్పుల మధ్య తేడాలు

[[File:Large bonfire.jpg|thumb|200px|A bonfire is an example for [[redox]]]]

 

 

 

Some reactions are very fast, and others are very slow. Some happen at different speeds, depending on [[temperature]] or other things. For example, [[wood]] does not react with [[air]] when it is cold, but if it is made hot enough, it will start to burn. Other reactions such as Nuclear Reactions differ in the way that Nuclear Reaction does not need a catalyst. They also cannot be stopped, sped up or slowed down.