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Monday, 13 September 2021

Acid

 Hey Bloggers 

Today I am going to be telling you about making a red cabbage pH indicator. 

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Aim- To make red cabbage pH indicator for use on different household chemicals. 

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Red cabbage indicator experiment 

Materials 

1. Red Cabbage  

2. Beaker 

3. Bunsen Burner 

4. Pipette 

5. Sodium Hydroxide 

6. Hydrochloride Acid 

7. Test tubes 

8. Paper towels

9. Test tube rack 

10. Water 

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Steps 

1. Chop up the red cabbage into small pieces. Place in a beaker and cover with a small amount of water.

2. Bring the solution to the boil using a Bunsen burner and then  turn off the heart let it sit to cool down 

3. Pour the cabbage water through a paper towel into a beaker the dark purple liquid  in the jar is the pH indicator liquid 

4. Suck up the indicator into a pipette

5. Use the cabbage indicator to test the liquid acidly of the different house hold liquids by slowly putting a drop at a time into the test tube 

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Here is a photo of what we did 



 

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Bye Bloggers 

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