People's Education Press High School Chemistry Compulsory Course I
Cantonese Education Edition Ninth Grade Chemistry Volume 1
Beijing Curriculum Reform Edition Ninth Grade Chemistry Volume 2
People's Education Press Ninth Grade Chemistry Volume 1
Lu Ke Edition High School Chemistry Compulsory Course 1
Beijing Curriculum Reform Edition Ninth Grade Chemistry Volume 1
Lu Jiao Edition Ninth Grade Chemistry Volume 1
Hunan Education Edition Ninth Grade Chemistry Volume 1
Cantonese Education Edition Ninth Grade Chemistry Volume 2
People's Education Press Ninth Grade Chemistry Volume 2
People's Education Press High School Chemistry Compulsory Course 2
Lu Ke Edition High School Chemistry Compulsory Course 2
Hunan Education Edition Ninth Grade Chemistry Volume 2
Lu Jiao Edition Ninth Grade Chemistry Volume 2
Category | Format | Size |
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Beijing Curriculum Reform Edition Ninth Grade Chemistry Volume 2 | pptx | 6 MB |
Description
"Properties of Salt" Salt PPT Courseware
1. Physical properties of salt: solubility
1. Write down the common salts that are insoluble in water:
(1). Hydrochloride _____; (2). Sulfate _____; (3). Carbonate _____. _______;
(4).Alkali _______ . ________ .
2. Write two salts _____ ._____ that are insoluble in water and insoluble in dilute nitric acid.
3. Write down the carbonates that are soluble in water _______ . ________ .
4. Write down the salts that are insoluble in water and soluble in acid ______ . _____ . ______ .
2. Chemical properties of salt
1. Salt + metal = new salt + new metal
2. Salt + acid = new salt + new acid
3. Salt + alkali = new salt + new alkali
4. Salt + salt = new salt + new salt
Chemical property equation of salt: Please draw inferences from one example!
1. CuCl2+Zn=ZnCl2+Cu
2. BaCl2+H2SO4=BaSO4↓+2HCl
AgNO3+HCl=AgCl ↓ +HNO3
CaCO3+2HCl=CaCl2+H2O+CO2↑
3. CuSO4+2NaOH=Na2SO4+Cu(OH)2↓
Na2CO3+Ca(OH)2=CaCO3 ↓ +2NaOH
NH4Cl+NaOH=NaCl+NH3↑+H2O
4. BaCl2+2AgNO3=2AgCl↓+Ba(NO3)2
Exercise 1: Among the following reactions, which one can be carried out ( )
A: Cu+AgCl— Ag+CuCl2 B: Zn+AgNO3--
C: Fe+CuCl2— FeCl3+Cu D: Cu+ZnSO4—
E: Zn+Cu(OH)2-- F: Fe+CuO —
G: Na+CuSO4— Cu+ Na2SO4 H: Cu+Hg(NO3)2—
I: Mg+HNO3— H2+Mg(NO3)2 J: Ag+HCl—
Exercise 2: If the zinc piece is put into the following salt solution, the mass of the solution will be reduced by ( )
A: MgCl2 B: CuCl2
C: AgNO3 D: ZnCl2
A: B: Zn→Cu C: Zn→2Ag D:
No response 65 64 65 2×108 No response
Discussion: Among the reactions that have been learned, which reactions can produce salts?
(1) Metal + acid → salt + H2
(2) Metal + salt → new metal + new salt
(3) Acid + alkali → salt + H2O
(4) Acid + basic oxide → salt + H2O
(5)Alkali + acidic oxide → salt + H2O
(6) Acid + salt → new acid + new salt
(7) Base + salt → new base + new salt
(8) Salt + salt → new salt + new salt
(9) Metal + non-metal → salt
Extracurricular thoughts:
1. There are five bottles of solutions that have lost their labels. They are ①CuCl2, ②Ba(NO3)2, ③NaOH, ④NaCl, and ⑤MgSO4. The order of distinction without other reagents is _____.
2. Add iron powder to the mixed solution of Cu(NO3)2 and AgNO3, filter after full reaction.
(1). If dilute HCl is added to the filtrate and a white precipitate appears, then the cations in the filtrate are __________ and there are __________ on the filter paper;
(2). If dilute HCl is added to the solid in the filter paper and bubbles appear, then the cations in the filtrate are _____ and there are __________ on the filter paper.
3. Mix Na2CO3 solution and CaCl2 solution to obtain white precipitate and colorless filtrate a. Add AgNO3 to filtrate a to produce colored precipitate b. After filtering, add dilute nitric acid to precipitate b. Answer:
(1). If the precipitate b is not dissolved, then the ions in the filtrate a must be ____, there may be ____, and there must not be ____.
(2). If part b of the precipitate is dissolved, then the ion in filtrate a must be __________ and there must be no __.
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For more information about the "Properties of Salt" PPT courseware, please click on the "Salt ppt Properties of Salt ppt" tag.
"Properties of Salt" Salt PPT Courseware 2:
"Properties of Salt" Salt PPT Courseware 2 Knowledge Review Knowledge Point 1 Properties of Salt 1. Salt can be regarded as a product of __________, but there are many more types of salts than acids and bases. 2. Properties of salt: (1) Most salts are ______ at room temperature, and their melting points are ______. (2..
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Update Time: 2024-10-20
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