Question

name four types of chemical reactions stayed there general effect equations

Answer 1

1.Single displacememt reaction
2.Combination reaction
3.Double displacement reaction
4.Decomposition reaction
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Answer 2

There are five types of chemical reactions:

Combination/Synthesis Reactions: two or more substances combine to form a new compound       (A+X->AX). Includes, but is not limited to, the reactions of elements with Oxygen and Sulfur; the reactions of metals with Halogens; and Synthesis reactions with Oxides.

Decomposition Reactions: a single compund undergoes a reaction that produces two or more singular substances (AX->A+X).

Single Replacement Reactions: when a substance in a compund is replaced by a substance outside of the compound (A+BX->B+AX). Possible replacements include: metals by another metal; Hydrogen in water by metal; Hydrogen in an acid by a metal; and Halogens by more active Halogens.

Double Replacement Reactions: when ions of two compounds exchange places in aqueous solutions to form two new compunds (AX+BY->AY+BX). One of the compounds formed is usually a precipitate, an insoluble gas that bubbles out of the solution, or a molecular compound (usually water).