2(b)
The pH values of three solutions A, B and C are given in the table. Answer the following questions:
| Solution | pH value |
|---|---|
| A | 12 |
| B | 2 |
| C | 7 |
(i) Which solution will have no effect on litmus solution?
(ii) Which solution will liberate CO2 when reacted with sodium carbonate?
(iii) Which solution will turn red litmus solution blue?
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(i) Solution C : pH value 7
(ii) Solution B : pH value 2
(iii) Solution A : pH value 12