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    I want to do an acid-base titration using vinegar and fairyliquid at home.
    I need an indicato,r and have read that I can use red onions or black grapes.
    How do I prepare the indicator, or is there a better indicator I can find in my house?
    Is this experiment possible, or do I have to use different substances?
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    I think you can use red cabbage or beetroot, I'm not too sure though I've not made one since year 7.


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    Thanks, but to prepare it do i just use the juice, by crushing it?
 
 
 
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