Chemical Reactions- Sodium Hydroxide

A chemical reaction is a change where two or more substances are changed into a new substance. You can identify a chemical reaction by colour change, effervescence (bubbles), when light or heat given off, and the change is usually irreversible. There are 6 main types of chemical reactions- combustion (often called burning), synthesis, decomposition, neutralization, single replacement and double replacement. A combustion reaction is a reaction with oxygen, and heat is evolved (given off). A common example of combustion is

Hydrogen +Oxygen= Water

Synthesis is a reaction where two or more substances combine to make a compound. An example of a synthesis reaction is
Iron + Oxygen = Iron Oxide

Decomposition is the opposite of synthesis. It is the breakdown of a compound, usually through electrolysis. Electrolysis is a method of separating bonded elements or compounds by passing an electric current through them . An example of a......

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Title: Chemical Reactions- Sodium Hydroxide
Approximate Word Count: 1449
Approximate Pages: 6 (250 words per double-spaced page)

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