"Common Acids and Bases" Acids and Bases PPT Courseware (Lesson 2)

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"Common Acids and Bases" Acids and Bases PPT courseware (Lesson 2), 43 pages in total.

new knowledge learning

Knowledge point 1: The corrosiveness of concentrated sulfuric acid

1. The corrosiveness of concentrated sulfuric acid [Experiment 10-3]

[Tips] The dehydrating property of concentrated sulfuric acid is different from the water absorbing property. Dehydration is to remove the hydrogen and oxygen elements in the substance according to the composition ratio of water, and what occurs is a ________ change, while water absorption is to absorb the moisture in the gas into concentrated sulfuric acid, and what occurs is a ________ change. .

2. How to dilute concentrated sulfuric acid: slowly pour ________ along the wall of the beaker into ________, and stir continuously with ________. Never pour ________ into ________.

3． When using concentrated sulfuric acid, if you accidentally get concentrated sulfuric acid on your skin or clothes, rinse immediately with ____________, and then apply 3% to 5% ____________ solution.

Class feedback

Knowledge point 1: Characteristics of concentrated sulfuric acid

1. There was an incident of acid throwing in a certain place. An old man was instantly disfigured and blinded in his right eye. Which of the following statements about sulfuric acid is incorrect ()

A. Concentrated sulfuric acid is very corrosive, so be careful when using it

B. Pour the water directly into the beaker containing concentrated sulfuric acid to dilute it

C. The dehydration property of concentrated sulfuric acid is a chemical property

D. Concentrated sulfuric acid is water absorbent and can be used as a desiccant

Knowledge Point 2 Chemical Properties of Acid

2. After learning the chemical properties of acid, Xiao Ming made the following summary:

(1) Acid solution can cause the indicator to change color.

(2) Acid can react with a variety of active metals to form metal compounds and ________. Please write the chemical equation for the following reaction:

Reaction of zinc with dilute hydrochloric acid:_________________________________________;

Iron reacts with dilute sulfuric acid:_________________________________________.

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For more information about the PPT courseware "Acids and Bases Common Acids and Bases", please click on the Acids and Bases PPT Common Acids and Bases PPT tab.

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Update Time: 2024-09-11

This template belongs to Chemistry courseware People's Education Press Ninth Grade Chemistry Volume 2 industry PPT template

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