what is colour of ph paper of coffee
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Being that coffee is acidic litmus paper should turn reddish.
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Answer:
(6) Coffee is very acidic having yellow colour solution and its pH is 5. 7) Tomato juice is acidic having a beige colour and its pH is 4.1. 8) Tap water is neutral with green or lime green colour and its pH is 7.
Explanation:
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