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yay, great fun , and works for purple sprouting broccolit too. (in fact if you want to do some fun kitchen /garden chemistry, you can try all sorts of petals and veg. beetroot is good I seem to recall!)

oh yes , what colour?-- it goes turquoise in alkali and pink in acid. Bicarbonate of soda and lemon juice are all you need for a fun afternoon with your 8 year old.

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9y ago
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14y ago

When tested with red (or purple) cabbage juice: * Acids turn red/pink * Bases turn green/blue * Neutral turns purple

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12y ago

If you add an acidic acid like hcl the colour will turn red therefore making the pH level 1 :)

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13y ago

no, purple cabbage juice is alkali. (ph of about 13).

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11y ago

pink

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Q: When adding antacid to red cabbage juice what color will it turn?
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