The number of values of c such that the straight line touches the curve , is
0
1
5
infinite
(c) We know that, the line touches the curve
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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
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