Science
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?
(b) strongly alkaline?
(c) strongly acidic?
(d) weakly acidic?
(e) weakly alkaline?
Arrange the pH in increasing order of hydrogen-ion concentration
Acids Bases Salts
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Answer
(a) D
(b) C
(c) B
(d) A
(e) E
Increasing order of hydrogen-ion concentration — C < E < D < A < B
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