Arrange the following in the increasing order of pH values according to givenpH scale.A. NaOH solution B. BloodC. Lemon juice D. Milk of magnesia(a) C < B < D < A (b) A < B < C < D(c) D < C < B < A (d) A < B < D < C
Question
Arrange the following in the increasing order of pH values according to givenpH scale.A. NaOH solution B. BloodC. Lemon juice D. Milk of magnesia(a) C < B < D < A (b) A < B < C < D(c) D < C < B < A (d) A < B < D < C
Solution
The pH scale ranges from 0 to 14. A pH less than 7 is acidic, a pH greater than 7 is basic, and a pH of 7 is neutral.
Here are the approximate pH values for the substances you listed:
A. NaOH solution - This is a strong base, so its pH is around 14. B. Blood - Blood is slightly basic, with a pH between 7.35 and 7.45. C. Lemon juice - This is quite acidic, with a pH around 2. D. Milk of magnesia - This is a weak base, with a pH around 10.5.
So, in increasing order of pH values, the substances would be arranged as follows:
C < B < D < A
Therefore, the correct answer is (a) C < B < D < A.
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