| Category | Format | Size |
|---|---|---|
| Lu Jiao Edition Ninth Grade Chemistry Volume 1 | pptx | 6 MB |
"Utilization of Fossil Fuels" Combustion and Fuel PPT
Description
"Utilization of Fossil Fuels" Combustion and Fuel PPT, 27 pages in total.
learning target
1. Know fossil fuels and their important roles;
2. Understand the importance of comprehensive utilization of fossil fuels;
3. Understand the impact of fuel combustion on the environment and preventive measures.
new knowledge learning
Fossil fuels (non-renewable resources)
Fossil fuels were gradually formed by ancient organisms buried underground and undergoing complex changes under insufficient air, high temperature and high pressure for a long time.
1. The burning of fossil fuels
Fuels such as coal, gasoline, kerosene, diesel and liquefied petroleum gas
In addition to carbon and hydrogen elements, it also contains small amounts of sulfur and nitrogen elements.
Combustion produces sulfur dioxide and nitrogen oxides, polluting the air
Different fuels have different compositions, properties, and usage, storage and transportation methods.
Coal is cheap, easy to store and transport, but difficult to ignite and produces black smoke and dust when burned
Alcohol is easy to ignite and does not produce black smoke or dust when burned, but it is very expensive and difficult to store and transport.
[Thinking] What factors should be considered when choosing fuel?
2. Comprehensive utilization of fossil fuels
Coal - the "food" of industry
Coal reserves exceed 1 trillion tons, accounting for more than 90% of my country's total fossil energy reserves. Accounting for about 70% of my country's total energy consumption.
Fossil fuels and other non-renewable energy sources have limited reserves, and they easily produce polluting gases and smoke after use. Therefore, we must improve energy utilization and develop new green energy sources.
Classic examples
Knowledge point 1: Combustion of fossil fuels
Which of the following statements about fossil fuels is incorrect ( )
A. Coal, oil, and natural gas are all fossil fuels
B. Incomplete combustion of fossil fuels causes air pollution
C． Direct burning of fossil fuels pollutes the environment and wastes resources
D． Fossil fuels are the only energy available to humans and are therefore extremely valuable
Knowledge point 2: Comprehensive utilization of fossil fuels
Which of the following products are not made from coal and petroleum ( )
A. plastic
B. drug
C． Synthesize protein for animal consumption
D． quartz
Knowledge training
1. Which of the following statements is incorrect ( )
A. The amount of fossil fuels on earth is not unlimited
B. Fossil fuels do not cause air pollution as long as they are completely burned
C． Humanity must save existing energy and vigorously develop new energy
D． Fossil fuels must be rationally developed and comprehensively utilized
2. Comparing coal and oil, which of the following statements is correct ( )
A. It's all fossil fuels
B. They are all organic matter containing carbon.
C． The approach to comprehensive utilization is the same
D． Can be used directly as household fuel
Keywords: Free download of Chemistry PPT courseware for the first volume of the ninth grade of the Lujiao Education Edition, PPT download of the utilization of fossil fuels, PPT download of combustion and fuel, .PPT format;
For more information about the "Combustion and Fuel Utilization of Fossil Fuels" PPT courseware, please click on the Combustion and Fuel Utilization of Fossil Fuels PPT tab.
"Utilization of Fossil Fuels" Combustion and Fuel PPT Teaching Courseware:
"Utilization of Fossil Fuels" Combustion and Fuel PPT teaching courseware, 41 pages in total. Learning Objectives 1. Understand the energy changes in chemical reactions. 2. Understand the non-renewable nature of fossil fuels and their important role in human life; understand rational exploitation and economical use..
"Utilization of Fossil Fuels" Combustion and Fuel PPT Download:
"Utilization of Fossil Fuels" Combustion and Fuel PPT download, 27 pages in total. Learning objectives 1. Know fossil fuels and their important functions; 2. Understand the importance of comprehensive utilization of fossil fuels; 3. Understand the impact of fuel combustion on the environment and prevention measures. ... ... ....
"Utilization of Fossil Fuels" Combustion and Fuel PPT Courseware:
"Utilization of Fossil Fuels" Combustion and Fuel PPT courseware, 21 pages in total. 1. Course introduction 1. Combustion of fossil fuels 1. Are fossil fuels pure substances or mixtures? 2. What elements do they contain? 3． Will it pollute the air after burning? ... .. .....
File Info
Update Time: 2024-07-01
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