Kia Ora Readers!
Aim:
I want to find out how to tell if something is an acid.
Method:
Equipment:
- Beaker
- Red Cabbage
- Hot water
- Dropper
- Test tubes
- Different samples for testing
Instructions:
- Gather the equipment's ready.
- Rip the cabbage into small portions/pieces and put them into a beaker.
- Add about 100ml of hot water on the beaker.
- Then let it sit for a few minutes.
- Add in 2 cm of Sodium Hydroxide in the test tube same for Hydrochloric acid .
- Then for both of them add the Red Cabbage liquid using the dropper and identify the colours.
- Then mix the other liquids to create different colours.
Results:
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