30. Which of the following battery types is commonly used in an automobile?
(A) dry cell
(B) alkaline dry cell
(C) lead storage
(D) mercury cell

31. When a metal corrodes, what is happening chemically?(A) The metal atoms lose electrons. (B) The metal atoms gain electrons.(C) Electrons are not involved. (D) The metal is combining with nitrogen gas.

32. Balance the following redox equation in acidic solution. What is the coefficient of　the H+ion? CH3OH(aq) + Cr2O72-(aq) → CH2O(aq) + Cr3+(aq)(A) 2 (B) 4 (C) 6 (D) 8

33. Balance the following redox equation in acidic solution. What is the coefficient of the H+ion? MnO4-(aq) + H2O2(aq) → Mn2+(aq) + O2(g)(A) 2 (B) 4 (C) 6 (D) 8

34. Radon is a radioactive isotope which decays by the loss of an alpha particle.What is the second product of this decay?(A)(B)(C)(D)

35. The atomic particle having a mass of 0 amu and a charge of –1 is(A) an electron (B) a neutron (C) an alpha particle (D) a proton

36. The cesium-137 nuclide has a half-life of 30 years. After 90 years, about 9 g remains. The original mass of the cesium-137 is closest to(A) 70 g (B) 50 g (C) 90 g (D) 80 g

37. After 1176 years, 75% of the radioactive nuclides in a particular sample of an isotope have decayed. What is the half-life of this radioactive isotope? (A) 588 years (B) 392 years (C) 2352 years (D) 294 years

38. When the U-235 nucleus is struck with a neutron, the Zn-72 and Sm-160 nuclei are produced along with some neutrons. How many neutrons are emitted? (A) 2 (B) 3 (C) 4 (D) 5

39. decays to . How many beta decays are involved in this decay series?(A) 6 (B) 1 (C) 4 (D) 2

40. Which of the following statements are true?I. The number of protons in an element is the same for all neutral atoms of thatelement.II.The number of electrons in an element is the same for all neutral atoms of thatelement.III. The number of neutrons in an element is the same for all neutral atoms of thatelement.(A) I, II, and III are all true. (B) Only I and II are true.(C) Only II and III are true. (D) Only I and III are true.

114年 - [非官方正解]114 亞洲大學_學士後獸醫學系招生試題：化學(含普通化學、有機化學)#131168

113年 - [非官方正解]113 中國醫藥大學_學士班寒假轉學招生考試：普通化學#124976

113年 - [非官方正解]113 亞洲大學_學士後獸醫學系招生考試試題：化學科#123227

112年 - 112 中國醫藥大學_學士班寒假轉學招生考試試題：普通化學#118600

112年 - [非官方正解]112 亞洲大學學士後獸醫學系招生考試試題_學士後獸醫學系：化學(含普通化學、有機化學)#117879

111年 - 111 中國醫藥大學學士班寒假轉學招生考試：普通化學#112961

111年 - 111 國立清華大學學士後西醫學系單獨招生考試_學士後醫學系自然科學組：化學#110532

111年 - 111 國立中興大學_學士後醫學系試題_學士後醫學系甲、乙組：化學#107632

111年 - 111 學士後醫學系招生考試：物理及化學#107629

110年 - 110 中國醫藥大學_學士班寒假轉學考試：普通化學#105829