How Solutions of Different PH Values React

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How Solutions of Different PH Values React

Question

The table below shows PH values of solutions A, B, C and D.
Chemistry Form 4

Chemistry Form 4

a) Which solution produces bubbles with zinc metal. Explain
b) Select any pair that would react to form a solution of PH = 7

Answer

a) A - reason, it is an acidic solution.
b)
A and C or A and D

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