Five solutions A, B, C, D and E

CBSE Class 10 CBSE Class 10 Science
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1

Five solutions A, B, C, D and E when tested with universal indicator showed
pH as 4, 1, 11, 7 and 9 respectively, classify the solutions as given below.
a) Neutral b) Strongly alkaline
c) Strongly acidic d) Weakly acidic e) Weakly alkaline
Arrange the pH increasing order of hydrogen ion concentration.

2

a) Neutral = D b) Strongly alkaline = C
c) Strongly acidic = B d) Weakly acidic = A
e) Weakly alkaline = E Increasing order :
Strongly alkaline < Weakly alkaline < Neutral < Weakly acidic < Strongly acidic