FOUR TYPES OF REACTIONS COMBINATION COBUSTION DECOMPOSITION SINGLE-DISPLACEMET DETAILS ABOUT FOUR TYPES OF REACTIONS EXAMPLES OF FOUR TYPES OF REACTIONS

1. CHEMISTRY

2.  COMBINATION
 DECOMPOSITION
 SINGLE-REPLACEMENT
 COMBUSTION

3.  Is a reaction in which two or more substances
are combine to form a new single substances.
 EXAMPLE: when reacting sodium(Na) and
chlorine(Cl) they form sodium chloride(NaCl).
Na + Cl NaCl

4.  Is a reaction in which a
compound breaks down into
two or more simpler
substances.
◦ They need lot of energy to
break down.

5.  Is a reaction in which one element replaces a similar element
in a compound.
 The general form of a single-replacement (also called single-
displacement) reaction is.
 A + BC AC+B
 In this general reaction, Element A is a metal replace element
replaces element B, also a metal, in the compound.

6.  Is a reaction in which a substance
reacts with oxygen gas, releasing
energy in the form of light and
heat.

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