Question

How do we differentiate between a strong acid and a weak base in terms of ion-formation in aqueous solutions ?

The acid rain can make the survival of aquatic animals difficult. How ?

The salt present in tooth enamel is :

Five solutions A, B, C, D and E when tested with pH paper showed pH as 4, 1, 13, 7 and 10 respectively. Which solution is : (1) Strongly acidic (2) Strongly alkaline (3) Weakly acidic (4) Neutral and (5) Weakly alkaline ? Arrange the solutions in increasing order of H⁺ ion concentration.