ph scales and experiment

 ph is a scale of acidity from 0 to 14 with 7 being netural. 

ph scale acidic:  0-battery

              1- stomach acid

              2- lemon

               3- vinegar 

                4- tomato 

7 netural-water

base:

13-bleach. 

equipment: red cabbage

knife

bunsen burner

beaker

water

steps

1. cut the cabbage into small pieces.

2. place the cabbage in the beaker and fill it with 50 ml of water.

3. once the cabbage is boiled leave it to cool down.

4. once the cabbage is cooled remove the cabbage leaves and use red water as an indicator.