pH scale goes from 0 ____ to 14 ____ pH 7 is ____ (neither acid or alkali) A strong acid is indicated by the colour ____ A strong alkali is indicated by the colour ____ Neutral is indicated by the colour ____. Sodium is purple so it is an ____ Lemon juice is red so it is an ____ . Milk is yellow so it is a weak ____ Vinegar is red so it is an ____ Lime water has the number 14 on the pH scale - It is an ____

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