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Subjects...
1.
Physical and Chemical
Changes and ... »
23 kb Code:
R101
Contents: Explanation of physical changes
and chemical changes. Energy in chemical and physical changes.
2.
The Meaning of Signs and
Symbols In Chemical Equations »
70 kb Code:
R102
Contents: What is the meaning of signs
and symbols in chemical equations, observing
existence of chemical changes, changed and unchanged properties in
chemical reactions
3.
Balancing Chemical
Equations »
25 kb Code:
R103
Contents: Balancing chemical equations,
Interpretation of coefficients of chemical equation.
4.
Decomposition (Analysis) Reactions »
23 kb Code:
R104
Contents: Explanation of decomposition
reactions by giving examples.
5.
Combination (Synthesis)
Reactions »
24 kb Code:
R105
Contents: Explanation of combination
reactions by giving examples, oxidation of some elements.
6.
Displacement Reactions »
32 kb Code:
R106
Contents: Explanation of Displacement
reactions of cations, Reactions of active metals with water,
Displacement reactions of anions, Double displacement reactions.
7.
Other Types of Reactions »
27 kb Code:
R107
Contents: Explanation of Acids – metals
reactions, Bases – metals reactions, Neutralisation reactions.
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