Question

What is an example of a chemical change?

Answer 1

Burning gas in your Goggomobile.

Explanation:

`C_6H_14(l) + 19/2O_2(g)rarr 6CO_2(g) + 7H_2O(l)`

Chemical changes is characterized by the formation of new substances, and the making and breaking of strong chemical bonds. The combustion of hydrocarbons is manifestly an example of chemical change.

Here is video of a lab which looks at examples of chemical and physical changes. See if you can tell which are chemical changes and which are physical changes!

If you were wondering what a Goggo mobile is...