"Experiment is the basis of chemistry" Enter the chemistry PPT courseware 2

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"Experiment is the basis of chemistry" Enter the chemistry PPT courseware 2

1. Entering the chemistry laboratory

Basic requirements for chemical experiments:

1. Strictly abide by operating rules to protect the safety of yourself and others.

2. Food and drinks cannot be brought into the laboratory.

3. Do not fight or talk loudly in the laboratory.

4. Do not conduct experiments without permission from the teacher.

5. Before the experiment, you must preview the experimental content, understand the purpose of the experiment, and understand the experimental steps and precautions.

6. Wear a lab coat and goggles during the experiment. Record the observed phenomena and measured data truthfully.

7. After completing the experiment, under the guidance of the teacher, tidy up the experimental table, clean the instruments, and return the instruments and drugs to their original places. Correctly handle and recycle chemical reagents and medicines as required by the teacher.

8. Complete the experimental report carefully.

2. Commonly used instruments and supplies for chemical experiments

3. Basic operations of chemical experiments

(1) Access to medicines

Precautions:

Do not touch medicines directly with your hands, and do not taste any medicines.

Use the dosage strictly according to the experimental regulations.

Seized medicines cannot be returned to the original bottles and should be placed in designated containers.

The use of dangerous drugs must be carried out under the guidance of teachers.

1. Taking solid medicines

2. Taking liquid medicines

(1) Pour the liquid directly

(2) Use a dropper to take a small amount of liquid

(2) Heating of substances

1. Use of alcohol lamp

2. Heating solid matter

3. Heat the liquid

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For more information about the PPT courseware "Into Chemistry Experiments Are the Fundamentals of Chemistry", please click the Into Chemistry ppt Experiments Are the Fundamentals of Chemistry ppt tag.

"Experiment is the basis of chemistry" into the chemistry PPT courseware:

"Experiment is the basis of chemistry" into the chemistry PPT courseware

1. Access to chemicals

1. Taking solid medicines

① Block solid or metal particles

Use tweezers to remove

②Solid powder

Use medicine spoon or paper trough to take

2. Taking liquid medicines...

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Update Time: 2024-10-12

This template belongs to Chemistry courseware Beijing Curriculum Reform Edition Ninth Grade Chemistry Volume 1 industry PPT template

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