| Category | Format | Size |
|---|---|---|
| Zhejiang Education Edition Ninth Grade Science Volume 1 | pptx | 6 MB |
"Several Important Salts" PPT (Second Lesson)
Description
"Several Important Salts" PPT (Second Lesson)
Part One Content: Learning Objectives:
1. Learn to use the solubility tables of some acids, alkalis, and salts;
2. Know the metathesis reaction and understand the conditions of the metathesis reaction;
3. Understand the chemical properties of salt and its preparation.
Thoughts and Discussions
Based on the above three kinds of salts, and referring to the method of inferring the properties of acids and bases, can you infer what properties the salt has?
Several important salt PPT, part 2: chemical properties of salt
1. Salt + acid → new salt + new acid
2. Salt + alkali → new salt + new alkali
3. salt + salt → new salt + new salt
Activity
What happens when CaCl2 solution is added to a test tube containing Na2CO3 solution?
Several important salts PPT, part three: metathesis reaction
1. Definition: The reaction in which two compounds exchange components to form two new compounds is called metathesis reaction.
2. Necessary conditions for occurrence:
①The product precipitates
Na2CO3+CaCl2=CaCO3+2NaCl
②The product generates gas
CaCO3+2HCl=CaCl2+H2O+CO2
③The product is produced by water
HCl+NaOH=NaCl+H2O
Several important salt PPT, part 4 content: solubility of salt
1. Potassium salt, sodium salt, ammonium salt, and nitrate are all soluble in water;
2. Hydrochloride: Except for AgCl, which is insoluble, the others are soluble in water;
3. Sulfate: except BaSO4 which is insoluble, CaSO4 and Ag2SO4
Except for slightly soluble, the rest are soluble in water;
4. Carbonates: Most are insoluble. (Except potassium, sodium and ammonium salts are soluble);
Salt
1. Soluble salts
A salt composed of K+, Na+, NH4+ ions and acid ions.
2. Insoluble salts
AgCl BaSO4 BaCO3
Several important salt PPT, part five: preparation of salt
1. Types of reactions that produce salts
① acid + alkali → salt + water
② acid + salt → salt + acid
③Alkali + salt → salt + alkali
④ salt + salt → salt + salt
⑤ Acid + Metal → Salt + Hydrogen
⑥ Acid + metal oxide → salt + water
⑦ Alkali + non-metal oxide → salt + water
Several Important Salts PPT, Part Six: Classroom Exercises
1. Which of the following salts can be dissolved in water ( )
A.CaCO3 B.BaSO4 C.CuSO4 D.AgCl
2. Which of the following ions in the solution can coexist----( )
A.Na+, Cl-, NO3-, Ag+
B.Ba2+, OH-, CO32-, H+
C.Cu2+, Cl-, SO42-, K+
D.Fe3+, OH-, NO3-, NH4+
Keywords: Zhejiang Education Edition ninth grade science PPT courseware free download, several important salt PPT download, .PPT format;
For more information about the "Several Important Salts" PPT courseware, please click on the "Several Important Salts" ppt tag.
"Several Important Salts" PPT courseware:
"Several Important Salts" PPT courseware Part 1: What is salt? Question: Is salt table salt? Scientifically speaking, salt refers to a type of compound containing metal ions (including ammonium ions) and acid ions. Sodium chloride: NaCl = Na+ + Cl..
"Several Important Salts" PPT (Lesson 3):
"Several Important Salts" PPT (Lesson 3) Part One: Learning Objectives: 1. Understand the types and characteristics of chemical fertilizers. 2. Remember the composition characteristics of ammonium salts and the chemical properties and testing methods of ammonium salts. 3. Understand the properties of some common salts through experiments. ... ... ....
"Several Important Salts" PPT (first lesson):
"Several Important Salts" PPT Part One Content: Learning Objectives: 1. Understand the difference between table salt and salt. 2. Understand the main properties and uses of the three salts NaCl, Na2CO3, and CaCO3. 3. Master the identification method of CO32-. ... ... ... Several important salt PPT...
File Info
Update Time: 2024-08-06
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