2022 基础化学General Chemistry(南京科技职业学院) 最新满分章节测试答案

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本课程起止时间为:2022-01-10到2022-06-30

Module 1 Chemical Basic Knowledge Module 1 Chemical Basic Knowledge Test

1、 问题:Sodium is a metal. From this information alone, it may be deduced that sodium
选项：
A:is hard.
B:is less dense than water.
C:is a conductor of electricity.
D:is very reactive.
答案: 【is a conductor of electricity.】

2、 问题:A metal Y reacts very slowly with water but decomposes steam at red heat. Which one of the following could be Y?
选项：
A:magnesium
B:copper
C:lead
D:sodium
答案: 【magnesium】

3、 问题:Which one of the following metals does not react with dilute hydrochloric acid to give
hydrogen?
选项：
A:magnesium
B:copper
C:calcium
D:iron
答案: 【copper】

4、 问题:When zinc is added to a solution of a metal sulphate, the metal is deposited and zinc ions are produced in solution. The metal deposited could be
选项：
A:magnesium
B:calcium
C:potassium
D:copper
答案: 【copper】

5、 问题:Which one of the following oxides is most readily reduced to the metal by heating in a stream of hydrogen?
选项：
A:copper(Ⅱ) oxide
B:sodium oxide
C:zinc oxide
D:calcium oxide
答案: 【copper(Ⅱ) oxide】

6、 问题:Which one of the following gases is least common in air?
选项：
A:carbon dioxide
B:nitrogen
C:hydrogen
D:oxygen
答案: 【hydrogen】

7、 问题:Which one of the following sets contains three pollutants found in air?
选项：
A:argon, carbon monoxide, nitrogen
B:carbon dioxide, carbon monoxide, helium
C:carbon dioxide, nitrogen dioxide, oxygen
D:carbon monoxide, nitrogen dioxide, sulphur dioxide
答案: 【carbon monoxide, nitrogen dioxide, sulphur dioxide】

8、 问题:Which gas is the main cause of damage to stonework on buildings?
选项：
A:nitrogen
B:sulphur dioxide
C:carbon monoxide
D:carbon dioxide
答案: 【sulphur dioxide】

9、 问题:Which of the following is an example of diffusion?
选项：
A:the spreading of the smell of flowers in a garden
B:hot air rising above a burning candle
C:bubbles rising in a beaker of boiling water
D:water spreading out on the surface of a table
答案: 【the spreading of the smell of flowers in a garden】

10、 问题:Which property of a gas affects the rate at which it spreads throughout a laboratory ?
选项：
A:boiling point
B:molecular mass
C:solubility in water
D:reactivity
答案: 【molecular mass】

11、 问题:Which of the following is the best method of obtaining pure water from ink ?
选项：
A:freezing
B:chromatography
C:distillation
D:filtration
答案: 【distillation】

12、 问题:Which one of the following pairs consists of substances that produce a precipitate when their aqueous solutions are mixed?
选项：
A:sodium nitrate, barium chloride
B:sodium nitrate, silver sulphate
C:sodium sulphate , barium chloride.
D:sodium chloride, barium nitrate
答案: 【sodium sulphate , barium chloride.】

13、 问题:Which one of the following reactions could be represented by the ionic equation below in which M is the symbol for a metallic element?
M(s)+2H+(aq) M 2+(aq)+ H2(g)
选项：
A:iron + dilute hydrochloric acid
B:lead + dilute sulphuric acid
C:copper + dilute nitric acid
D:sodium + water
答案: 【iron + dilute hydrochloric acid】

14、 问题:Which one of the following compounds in a 1 mol/dm3 solution has the lowest pH value?
选项：
A:ammonia
B:ethanoic acid
C:hydrogen chloride
D:sodium chloride
答案: 【hydrogen chloride】

15、 问题:An aqueous solution of a compound X was found to react with zinc and to evolve carbon dioxide on contact with marble chips. X could be
选项：
A:ammonia.
B:hydrogen chloride
C:sodium chloride
D:barium nitrate
答案: 【hydrogen chloride】

16、 问题:Which one of the following forms a colourless solution which reacts with aqueous silver nitrate in the presence of dilute nitric acid to give a yellow precipitate insoluble in aqueous ammonia?
选项：
A:calcium iodide
B:barium nitrate
C:iron(Ⅱ) iodide
D:copper (Ⅱ) chloride
答案: 【calcium iodide】

17、 问题:Aqueous ammonia is added to a solution of a salt. A white precipitate is formed which dissolves in an excess of aqueous ammonia. Which metal is in the salt?
选项：
A:calcium
B:copper
C:lead
D:zinc
答案: 【zinc】

18、 问题:When sulphur dioxide is bubbled into aqueous bromine the red colour fades. Sulphur dioxide is acting as
选项：
A:an acid.
B:a reducing agent.
C:a dehydrating agent.
D:a catalyst.
答案: 【a reducing agent.】

19、 问题:Which one of the following best describes what happens during the electrolytic refining of copper?
选项：
A:Copper is deposited on the cathode (-) and the solution becomes colourless.
B:Copper is removed from the anode (+) and deposited at the cathode (-). The solution remains blue.
C:The solution becomes increasingly blue as more copper ions are formed at the anode.
D:Copper is transferred from the solution to the anode (+) and the solution becomes colourless.
答案: 【Copper is removed from the anode (+) and deposited at the cathode (-). The solution remains blue.】

20、 问题:Lead (Ⅱ) sulphate is best prepared by adding dilute sulphuric acid to
选项：
A:lead foil
B:powdered lead (Ⅱ) carbonate.
C:powdered lead (Ⅱ) oxide.
D:aqueous lead (Ⅱ) nitrate.
答案: 【aqueous lead (Ⅱ) nitrate.】

Module 2 Chemical Reaction Rate and Chemical Equilibrium Module 2 Chemical Reaction Rate and Chemica

1、 问题:
选项：
A:
B:
C:
D:
答案: 【】

2、 问题:
选项：
A:
B:
C:
D:
答案: 【】

3、 问题:
选项：
A: