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Universal Indicator

Question 9cFi...

Question

Question 9(c)
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
(c) strongly acidic?

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Solution

Lower the pH, more acidic is the solution.
Hence, solution B with pH 1 is strongly acidic.

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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.

Q. Five solutions

A, B, C, D, E

when tested with universal indicator showed

p H

4, 1, 11, 7

9

respectively. Which solution is strongly alkaline?

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