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Acidity of various substances

What color- red or blue- would you expect each of the following to produce when added to litmus:

Milk of magnesia
tomato juice

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? Milk of magnesia is magnesium hydroxide, Mg (OH) with a PH 10.5 (greater then 7) thus it turns the litmus paper into blue.

? Wine has a PH of 3.8 (less the 7) thus it is acidic and turns the ...

Solution Summary

Acidity of various household substances based on the colour of the litmus test.