Bleaching is done by the chemical:
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Bleaching is done by
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50 mL of 0.2 M ammonia solution is treated with 25 mL of 0.2 M HCl. If pKb of ammonia solution is 4.75, the pH of the mixture will be : Option: 1 3.75 Option: 2 4.75
JEE Mains 2026 April 5 Shift 1: Students find Maths lengthy, time-consuming; Physics moderate, Chemistry easy
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