試題詳解

40. Which of the following statements is(are) true?
(A) the rate of dissolution of a solid in a liquid always increases with incr reasing temperature
(B) the solubility of a solid in a liquid always increases with increasing temperature
(C) according to Henry's law, the amount of gas dissolved in a solution is directly proportional to the pressure of the gas above the liquid
(D) two of these statements are true
(E) all of these statements are true.