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"Carbon Dioxide and Carbon Monoxide" Carbon and Carbon Oxides PPT (Lesson 2)
learning target
1. Through life examples, be able to describe the uses of carbon dioxide and the carbon cycle in nature.
2. Through group communication and discussion, summarize the causes and hazards of the greenhouse effect and describe measures to prevent further enhancement of the greenhouse effect.
3. Through experiments and combined with real life examples, remember the properties of carbon monoxide and be able to write relevant chemical equations.
4. Understand the cycle and importance of carbon dioxide in nature, enhance environmental awareness and the awareness of the harmony between man and nature; understand the two sides of everything by comprehensively understanding the properties of carbon monoxide.
independent exploration
Read pages 119-121 of the textbook and think:
1. What are the uses of carbon dioxide and what properties of carbon dioxide are used?
2. Causes, hazards and countermeasures of enhanced greenhouse effect.
3. What can be considered “low carbon” in daily life?
Measures to slow down the greenhouse effect
(1) Change the energy structure, reduce the use of fossil fuels such as coal, oil, and natural gas, and make more use of clean energy such as solar energy and wind energy.
(2) Vigorously plant trees and strictly prohibit indiscriminate logging.
(3) Improve energy production efficiency and use efficiency.
(4) Use physical or chemical methods to artificially absorb carbon dioxide.
Classroom meets standards
1. The following uses of carbon dioxide are related to both its physical properties and its chemical properties: ( )
A. Used to put out fires B. Make dry ice
C. Make gas fertilizer in greenhouse D. Make chemical fertilizer
2. Regarding the three substances C, CO, and CO2, there are the following statements:
①All three substances contain carbon and are reducing
②CO and CO2 are colorless and odorless gases
③CO2 can be used for photosynthesis, and CO can be used for artificial rainfall
④CO2 can produce a greenhouse effect, and CO can easily combine with hemoglobin in the blood to cause poisoning.
⑤CO2 can be used to extinguish fires, and CO can be used as fuel
The correct one of the above statements is ()
A. ①②③ B. ②③④ C. ②④⑤ D. ①③⑤
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"Carbon dioxide and carbon monoxide" Carbon and carbon oxides PPT (Lesson 1):
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"Carbon Dioxide and Carbon Monoxide" Carbon and Carbon Oxides PPT Courseware 5 Activities and Explorations (1) Light two short candles and place them on the two steps of the tin stand respectively. Place the tin stand in the beaker and put a set The carbon dioxide in the cylinder slowly flows along the inner wall of the beaker.