"Chemistry Around Us" Everyone Comes to Learn Chemistry PPT Courseware

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"Chemistry Around Us" Everyone Comes to Learn Chemistry PPT Courseware

Chemistry is closely related to clothing, food, housing, transportation, energy, materials, national defense, environmental chemistry, medicine and health, resource utilization, etc.

1. What is chemistry?

Chemistry is the study of matter and its changes. Chemistry not only studies substances that already exist in nature and their changes, but also studies and creates new substances that do not exist in nature as needed.

Chemistry is a science that studies the composition, structure, properties and changes of substances.

Therefore, the object of chemical research is matter

2. What is the use of studying chemistry?

Chemistry ensures human survival and continuously improves the quality of human life.

1. Use chemicals to produce fertilizers and pesticides to increase food production;

2. Use chemically synthesized drugs to inhibit bacteria and viruses and protect human health;

3. Use chemistry to develop new energy and new materials to improve human living conditions;

4. Use chemistry to comprehensively apply natural resources and protect the environment to make human life better.

Green chemistry, environmentally friendly chemistry

1 Make full use of resources and energy and use non-toxic and harmless raw materials.

2 Carry out the reaction under non-toxic and harmless conditions to reduce the release of waste to the environment.

3. Improve the utilization rate of atoms and strive to make all atoms used as raw materials absorbed by products to achieve zero emissions.

4. Produce environmentally friendly products that are beneficial to environmental protection, community safety and human health.

How to learn chemistry well

1. Pay attention to chemistry and build confidence

2. strengthen memory

3. Experiment carefully

4. good thinking habits

5. Learn other subjects well

Can you observe experiments?

Before change: Observe the color and state of the reactants, and the conditions required for the reaction to occur (whether heating or other conditions are required).

When changing: the phenomenon that occurs (whether there is precipitation, gas generation, whether there is light, heat or color change, etc.).

After change: observe the color and state of the product.

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For more information about the PPT courseware "Everyone Comes to Learn Chemistry, Chemistry Around Us", please click the Chemistry ppt tab for Everyone Comes to Learn Chemistry ppt.

"Chemistry Around Us" Everyone Comes to Learn Chemistry PPT Courseware 2:

"Chemistry Around Us" Everyone Comes to Learn Chemistry PPT Courseware 2 What is the content of chemistry class? What is the use of chemistry to individuals, families and society? Is chemistry fun? How can I learn chemistry well? 1. The relationship between chemistry and social life Life phenomena are closely related to chemistry..

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Update Time: 2024-07-06

This template belongs to Chemistry courseware Cantonese Education Edition Ninth Grade Chemistry Volume 1 industry PPT template

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