59. The curve above is obtained for the reaction of an excess of CaCO3 with hydrochloric acid. How and why does the rate of reaction change with time?(A)(B)(C)(D)

55. Which methods will help us to distinguish between equimolar solutions of a strong base and a strong acid? I. Add magnesium to each solution and look for the formation of gas bubbles . II. Add aqueous sodium hydroxide to each solution and measure the temperature change. III. Measure the electrical conductivity of each solutions. (A) I and II only (B) I and III only (C) II and III only (D) I, II, and III

59. The curve above is obtained for the reaction of an excess of CaCO₃ with hydrochloric acid. How and why does the rate of reaction change with time?
(A)
(B)
(C)
(D)

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