(i) The pH of a sample of tomato juice is 4.6. How is this juice likely to be in taste? Give reason to justify your answer. 1 (ii) How do we differentiate between a strong acid and a weak base in terms of ion-formation in aqueous solutions? 1 (iii) The acid rain can make the survival of aquatic animals difficult. How? 1
Explanation
The question requires a descriptive answer, but no specific answer is provided. However, a possible answer for (i) could be: The pH of 4.6 is acidic, so the tomato juice is likely to be sour. For (ii), a strong acid will completely dissociate in water, while a weak base will only partially dissociate. For (iii), acid rain can make the survival of aquatic animals difficult by lowering the pH of the water, which can be toxic to them.
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