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blondinia [14]
3 years ago
12

Determining the pH of substances such as purple grape juice and catsup using test strips can be difficult. Why?

Physics
1 answer:
Charra [1.4K]3 years ago
4 0

Answer:

Because they would naturally dye the test strips in the colors violet and red, regardless of their pH values

(would really appreciate the brainliest)

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Taking right movement to be positive means leftward movement is negative.
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