Question

3. When a strip of pH paper is dipped in a solution of orange juice, the color of pH paper become
orange the pH of solution is ..
a. > 7
c. equal to 7
b.
<7
d. between 7 to 14​

Answer 1

Answer:

pH is <7

Explanation:

The nature of orange juice is acidic thus the pH paper will turn orange and pH is < 7

Answer 2

Answer:

(b) < 7

Reason:

Orange juice contains citric acid and when pH paper is dipped in its solution, its colour changes from Blue to Red because of the presence of this acid

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