A point lies on negative direction of X-axis at a distance of 5 units from Y-axis, then the coordinates of the point will be ?
(-5, 0)
(0, 5)
(5, 0)
(0,-5)
5 in Negative x-axis and on x axis =(-5, 0)
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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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