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A colourless mixture of two salts (A) an...

A colourless mixture of two salts `(A)` and `(B)` (excess) is soluble in `H_(2) O. (A)` turns blue litmus red and `(B)` turns red litmus blue. `(A)` gives white precipitate with `(B)`, which dissolves in excess of `(B)` forming `( C).(A)` when placed in atmosphere gives fumes and can form dimer. `(A)` gives white precipitate with `NH_(4) Cl` and `NH_(4)OH` which is soluble in `(B)`. Identify `(A), (B)` and `(C)`. Explain reactions.

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To solve the problem, we need to identify the two salts (A and B) and the compound (C) based on the given clues. Let's break down the information step by step. ### Step 1: Identify Salt A The problem states that salt A turns blue litmus red. This indicates that A is acidic in nature. A common salt that fits this description is **Aluminum Chloride (AlCl3)**. ### Step 2: Identify Salt B Next, we know that salt B turns red litmus blue, indicating that it is basic or alkaline in nature. A common salt that fits this description is **Sodium Hydroxide (NaOH)**. ...
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