Neutralisation - Science

 Aim: To observe neutralisation reaction.

Equipment: 
6 test tubes, test tube rack, 1 base, 1 acid ( making sure it has around the same PH level on opposite sides), dropper bottle, Universal Indicator.

Method:

1. Get all of your equipment.
   
2. Fill 4 test tubes with 3ml of acid.
3. FIll the other 2 with 3ml of the base.
4. Add a squirt of universal indicator to each test tube.
5. Add different amounts of acids and bases to make the colors of the rainbow. (ROYGBIV)

Observation:

A chemical reaction caused by adding the base to the acid was extraordinary. When the base was being added in you could see the acid and the base mixing around changing the color from blue to red until it finally came to a stop at a yellowish-green. 

Discussion:

This means that it was changing to a neutral ph level. Tho it is turning green, when t is green that doesn't mean that it would be drinkable. Neutralisation is when a chemical reaction occurs while mixing together a base and an acid. Every acid has hydrogen in it where every base has hydroxide. These are the main chemicals ht are in every base or acid making us believe that they are the reason for the changing in color/neutralisation. When they combined together to get the perfect mix between each chemical it making them cancel each other out. (Mixing the two chemicals together makes H2O also known as water) It is called neutralisation because it is causing the base and the acid to get to a safe level (7).

Conclusion: 

In conclusion, we were able to understand the method behind the mixing of the chemicals. I also understand how hydrogen and hydroxide cause the chemicals to change colors. If I were to do it again I would get a stronger base for the acid was pretty strong causing the chemical reactions to be slowed down. It also meant my group and I had to use more of the base than we should of for it took longer to change.