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WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
---|---|---|---|---|---|---|---|---|
1 | 1 |
SALTS
|
Types of salts.
|
By the end of the
lesson, the learner
should be able to:
Define a salt. Describe various types of salts and give several examples in each case. |
Descriptive approach. Teacher exposes new concepts.
|
text book
|
K.L.B. BOOK II P. 91
|
|
1 | 2-3 |
SALTS
|
Solubility of salts in water.
Solubility of bases in water. Methods of preparing various salts. |
By the end of the
lesson, the learner
should be able to:
To test solubility of various salts in cold water/warm water. To describe various methods of preparing some salts. |
Class experiments- Dissolve salts in 5 cc of water.
Record the solubility in a table, Analyse the results. Experimental and descriptive treatments of preparation of salts e.g. ZnSO4, CuSO4, NaCl and Pb(NO3)2. |
Sulphates, chlorides, nitrates, carbonates of various metals.
Oxides, hydroxides, of various metals, litmus papers. CuO, H2SO4, HCl, NaOH, PbCO3, dil HNO3. |
K.L.B. BOOK II PP. 92-93
K.L.B. BOOK II pp96 |
|
1 | 4 |
SALTS
|
Direct synthesis of a salts.
Ionic equations. |
By the end of the
lesson, the learner
should be able to:
To describe direct synthesis of a salt. To write balanced equations for the reactions. |
Group experiments- preparation of iron (II) sulphide by direct synthesis.
Give other examples of salts prepared by direct synthesis. Students write down corresponding balanced equations. |
Iron,
Sulphur PbNO3, MgSO4 solutions. |
K.L.B. BOOK II P. 104
|
|
1 | 5 |
SALTS
|
Effects of heat on carbonates.
Effects of heat on nitrates. Effects of heat on sulphates. Hygroscopy, Deliquescence and Efflorescence. Uses of salts. |
By the end of the
lesson, the learner
should be able to:
To state effects of heat on carbonates. To predict products resulting from heating metal carbonates. |
Group experiments- To investigate effects of heat on Na2CO3, K2CO3, CaCO3, ZnCO3, PbCO3, e.t.c.
Observe various colour changes before, during and after heating. Write equations for the reactions. |
Various carbonates.
Common metal nitrates. Common sulphates. |
K.L.B. BOOK II PP. 108-109
|
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