Compilation of categories of chemistry test questions in the 2011 high school entrance examination—Unit 1: Entering the World of Chemistry

1. Multiple-choice questions

1 (Yantai City). In order to commemorate the achievements of chemistry and its contribution to human civilization, the United Nations designated 2011 as the "International Year of Chemistry". Which of the following understandings of the subject of chemistry is wrong

(A) Chemistry has developed new materials for mankind (B) The development of chemistry has led to the deterioration of the ecological environment

(C) Chemistry Providing new energy for mankind (D) Chemistry has become an important foundation of life sciences

2. (Ya'an City) Among the following changes, which are chemical changes

A. Seawater sun salt B. The river freezes in winter

C. Calcining limestone to make quicklime D. Separating air to produce oxygen

3. (Ya'an City) The following substances are mainly used for their chemical properties

A. Graphite rods are used as dry battery electrodes B. Natural gas is used as fuel

p>

C. Dry ice is used for artificial rainfall D. Copper is used to make wires

4. (Dazhou City) Which of the following changes are chemical changes

A. Gasoline evaporates B. Set off fireworks C. Activated carbon absorbs odors in the refrigerator D. Separating liquid air to produce oxygen

5. (Chongqing City) The following changes in the kitchen are physical changes

A. Coal burning B. Knives rusting C. Vegetables rotting D .Water evaporates

6. (Chaohu City) Among the following changes that have occurred in the kitchen, the ones that are physical changes are

A. Apple rot b. Squeeze juice C. Bread becomes moldy D. The kitchen knife is rusty

7. (Linyi City) Among the following changes, one change is essentially different from the other changes. This change is

A paraffin melting B paper burning

C Evaporation of alcohol D Melting of ice and snow

8. (Nanchong City) Among the following changes, the former is a physical change and the latter is a chemical change

A. Melting of ice and snow Food rot B. Gasoline volatilization and industrial production of oxygen

C. Alcohol burning and iron rusting D. Electrolysis of water and dry ice sublimation

9. (Wuxi City) The properties of the following substances belong to The physical properties are

A. Oxygen is oxidizing B. Alcohol is flammable

C. Concentrated hydrochloric acid is volatile D. Concentrated sulfuric acid is corrosive

10. (Tai'an City). The following changes often occur in home kitchens, among which the physical changes are

A. Food spoilage B. Water boiling

C. Combustion of natural gas D. Rusting of kitchen knives

11. (Neijiang City) Which of the following processes only undergoes physical changes [ ]

A. Photosynthesis B. Alcohol Volatile C. Use vinegar to remove scale D. Use the burning method to identify wool and synthetic fibers

12. (Wuhan City) Which of the following changes is a chemical change ( )

A .Steel rusts B. Ice and snow melt

C. Use dry ice to create stage clouds D. Separate liquid air to produce oxygen

13. (Leshan City) Chemistry is closely related to daily life and production.

Which of the following processes does not contain chemical changes

A. Clay fired into ceramics B. Corn is brewed into liquor

C. The fan rotates when energized D. Iron ore is smelted into iron

14. (Xuzhou City) Correct operation can ensure the smooth progress of chemical experiments. Which of the following is a correct operation ( )

A. Place the sodium hydroxide solid directly on the tray of the tray balance and weigh it

B. Before igniting carbon monoxide gas, the purity of the gas should be checked

C. In order to save drugs, leftover drugs in the laboratory should be returned to the original bottles

D. When measuring a certain amount of liquid with a graduated cylinder, look up or down to read

15. (Jingmen City) Which of the following processes is not a chemical change: ( )

A. The iron pan is rusty B． Gas combustion C. Paraffin melts D. Rice wine

16. (Ezhou City) Which of the following change processes involves both physical and chemical changes

A. Activated carbon absorbs odors in the refrigerator B. Dry ice vaporization

C. Light the candle D. Separating liquid air to produce oxygen

17. (Rizhao City) From a chemical perspective, among the following famous sentences, the one that only undergoes physical changes is

A. Thousands of hammers were used to carve out the mountains, and the fire burned them as if they were idle B. Amid the sound of firecrackers, one year old is eliminated, and the spring breeze brings warmth to Tusu

C． Ice, water is it, but it is colder than water D. Zeng Qing (referring to CuSO4 solution) obtained iron and turned it into copper

18. (Xiaogan City) Among the following changes in life, the only physical changes are

A. Grape winemaking B. Moldy food C. Gas poisoning D. Evaporation of water

19. (Yichang City) Among the following changes, the ones that belong to physical changes are

A. Steel rusts B. Broken porcelain bowl C. food spoilage d. Gunpowder explosion

20. (Guilin City) The principle of the following process must include chemical changes

A. Evaporate b. Conduct electricity c. Burn D. Firefighting

21. (Beijing) Among the following changes, which one is a chemical change?

A. Ore crushing B. Paper burning C. Alcohol volatilization D. Ice and snow melting

22. (Beijing City) Among the following expressions of material properties, which one is a chemical property

A. Oxygen is absent Color and odorless B. Aluminum is silvery white C. Sucrose is easily soluble in water D. Carbonic acid is easy to decompose

23. (Zibo City) Students know that vinegar and citric acid are acidic, but which substance is acidic? Strong? Xiao Min proposed to use pH test paper to test. As far as this process is concerned, it belongs to the scientific inquiry link ( )

A. Putting forward hypotheses B. Designing experiments C. Drawing conclusions D. Collecting evidence

24. (Zibo City) The development of chemical science has promoted the progress of human social civilization, and chemistry has increasingly penetrated into all aspects of social life.

Which of the following do you think does not fall within the scope of chemical research ( )

A. The motion state of matter B. The composition and structure of matter

C. The properties and uses of matter D , Preparation and application of substances

25. (Zibo City) Which of the following statements do you think is wrong ( )

A. Chemical change and chemical reaction are the same concept

B. When a substance undergoes chemical changes, physical changes must occur at the same time

C. The characteristic of chemical changes is that precipitation will definitely occur

D. Determined by the properties of the substance Change, the change of matter reflects the properties of matter

26. (Shaanxi Province) The following substances are used for their physical properties ( )

A. In daily life, a glass knife inlaid with diamond is used to cut glass

B. Commonly used in agriculture Hydrated lime improves acidic soil

C. In industry, carbon monoxide is commonly used as a reducing agent to smelt metals

D. In chemical production, coal is used as raw material to produce methanol (CH3OH)

27. (Loudi City) In the diverse material world, there are many interactions between various substances and they are constantly changing. Among the following common changes in life, chemical changes will definitely occur

A. Ice and snow melt B. Ore crushing C. Squeeze juice D. Coal combustion

28. (Henan Province) Among the following changes that occur in life, which are chemical changes?

A. Ice and snow melt B. Food rot C. Gasoline evaporates D. Paraffin melting

29. (Weihai City) The following energy conversion processes are realized through chemical changes

A. Geothermal power generation b. Nuclear reaction to generate electricity

C. Thermal power generation D. Wind power generation

30. (Dalian City) Among the following changes, the one that is a chemical change is

A. Making ice cubes from water B. Pineapple juice C. Food rotD. Sucrose dissolves

31. (Yantai City) What is wrong with the following experimental operations

(A) Evaporation and crystallization (B) Checking the air tightness (C) Not washing the dropper after use (D) Tightening the rubber stopper

32. (Ya'an City) For the following basic operations of chemical experiments, which one is correct

A. Pour liquid B. Weigh the solid C. Check air tightness D. Heating liquid

33. (Chongqing City) The basic operation of the chemical experiment shown in the figure below is correct

34. (Chaohu City) Among the experimental operations shown in the following diagrams, the incorrect one is

35. (Nanchong City) The correctness and standardization of chemical experimental operations are the key to the success of the experiment, and they also reflect the chemistry of the experimenter. Literacy.

Which of the following experimental operations is obviously incorrect

36. (Nantong City) Which of the following chemical storage or experimental operations is correct

37. (Wuxi City) Which of the following experimental operations is correct

A. Pour the liquid B. Smell the gas C. .Read the volume of liquid D. Heat the liquid

38. (Tai'an City) Which of the following experimental operations is correct?

39. (Wuhan City) The following gas preparation devices or experiments Operation, the error is ( )

A. Generating device for producing oxygen B. Collecting oxygen

C. Checking whether the carbon dioxide is fully collected D. Verifying that the aqueous solution of carbon dioxide is acidic 40. (Yancheng City) Which of the following experimental operations is correct

A. Dilute concentrated sulfuric acid B. Liquid filtration C. Light the alcohol lamp D. Storing hydrogen

41. (Zhanjiang City) Among the changes shown in the following pictures, the ones that belong to physical changes are:

The wood sticks with sparks rekindle, exhale against the dry glass, burn the charcoal in O2, and pass into the purple litmus test solution CO2

A B C D

42. (Zhanjiang City) Among the following illustrations of experimental operations, the correct one is

43. (Leshan City) Among the experimental operations shown in the figure below, the correct one is

A. Take liquid B. Light the alcohol lamp C. Weigh the sodium chloride solid D. Heating solids

44. (Ezhou City) Which of the following experimental operations is correct

45. (Rizhao City) Which of the following experimental operations is wrong

46. (Yichang City) Which of the following basic experimental operations is incorrect

47. (Beijing) Among the following experimental operations, which one is correct

48. In order to ensure that some glass instruments have good To improve the sealing performance, the contact surface of the glass is often sanded (also called frosted). The following instruments have been sanded ( )

49. (Shaanxi Province) A classmate conducted an experiment on the reaction of copper oxide and dilute sulfuric acid. The operation diagram is as follows. The error in the operation is C

50. (Tianjin City) Among the experimental operations shown in the picture below, the correct one is (　)

51. (Baise City) Chemical experiments must not only operate in standardized operations, but also ensure safety. The following basic experimental operations meet this requirement:

A B C D

Answer:

B C B B D B B A C B

B A C B C C C D B C

B D B A C A D B C C

D C B D B A B D B C

B