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| 1. |
A student dips pH papers in solutions A and B and observes that the pH paper turns blue and orange respectively in them. What does he infer ? |
| Answer» Solution :He infers that A is SODIUM carbonate solution and B is acetic acid . The pH PAPER turns blue when dipped in solution A, it MEANS A is a strong BASE having pH `9` and the pH paper turns orange when dipped in solution B, it means B is a strong acid having pH `4`. | |