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29 October 2014
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Title - Kids' Norfolk

The sensitive cabbage experiment

<<< previous

red liquid   The blue liquid turns red! Lemon juice is an acid and acids turn the cabbage juice a pinky-red colour.
     
add bicarbonate of soda   Next, try adding a little of the bicarbonate of soda. Give the mixture a shake again and see what happens.
     
it turns blue again   The liquid turns blue again! Bicarbonate of soda is alkaline and when you mix it with water it turns the cabbage juice blue.
     

How about putting in some clear vinegar? Can you predict what happens? Here's a hint - lemon juice is an acid.

check your prediction >>>



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