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Topic Content:
- Types of Chemical Reactions I
There are various types of chemical reactions, each type with its distinguishing features:
1. Combination reactions
2. Displacement reactions
3. Decomposition reactions
4. Double decomposition reactions
5. Neutralization reactions
6. Catalytic reactions
7. Reversible reactions
8. Thermal dissociation reactions
9. Oxidation and reduction reactions
1. Combination Reaction:
A combination reaction occurs when two or more elements combine to form one single compound.
Examples:
Element + Element → Compound
Fe(s) + S(s) → FeS(s)
H2(g) + Cl2(g) → 2HCl(g)
Zn(s) + Cl2(g) → ZnCl2(s)
4Na(s) + O2(g) → 2Na2 O
2. Displacement Reactions:
Displacement reaction involves the replacement of one element (or radical) by another element (or radical) in a compound.
A + BC → B + AC
A displacement reaction occurs between an
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