Question

how can you prepare acid-base indicator at home?​

Answer 1

Answer:

Making your indicator:

1.Finely chop the red cabbage on the chopping board.

2.Place the chopped cabbage in a bowl.

3.Boil the kettle and pour the hot water in the bowl until it just covers the cabbage.

4.Stir a little bit and then leave for five to ten minutes.

5.Place the strainer over the second large bowl and pour off the liquid.

Explanation:

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Answer 2

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• ❥Soak cut pieces of red cabbage leaf in boiling water for 30 minutes then remove them. ...

• ❥Boil shredded red cabbage for 15 minutes then squeeze out the juice. ...

• ❥Use the liquid from a container of pickled cabbage as an acid-base indicator.

• ❥Use the green water juices from boiled cabbage as an acid-base indicator.