Question 9(d)
Five solutions A, B, C, D and E when tested with universal indicator showed pH as 4, 1, 11, 7 and 9, respectively. Which solution is
(d) weakly acidic?

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Solution

Lower the pH, more acidic is the solution.
Therefore, solution A with pH 4 is weakly acidic.

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Similar questions

Q. Question 9(e)
Five solutions A, B, C, D and E when tested with universal indicator showed pH as 4, 1, 11, 7 and 9, respectively. Which solution is
(e) weakly alkaline?

Q. Five solutions A, B, C, D, and E, when tested with a universal indicator, showed pH as 4, 1, 11, 7 and 9, respectively, which solution is
(a) neutral (b) strongly alkaline (c) strongly acidic
(d) weakly acidic (e) weakly alkaline
Arrange the pH in increasing order of hydrogen ion concentration.

Question 9(a)
Five solutions A, B, C, D and E when tested with universal indicator showed pH as 4, 1, 11, 7 and 9, respectively. Which solution is
(a) neutral?
Arrange the pH in increasing order of hydrogen-ion concentration.

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Question 9(d) Five solutions A, B, C, D and E when tested with universal indicator showed pH as 4, 1, 11, 7 and 9, respectively. Which solution is (d) weakly acidic?

Lower the pH, more acidic is the solution. Therefore, solution A with pH 4 is weakly acidic.

Question 9(d)
Five solutions A, B, C, D and E when tested with universal indicator showed pH as 4, 1, 11, 7 and 9, respectively. Which solution is
(d) weakly acidic?

Lower the pH, more acidic is the solution.
Therefore, solution A with pH 4 is weakly acidic.