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RUSTING. Rusting

RUSTING.

Muzoh December 07, 2019

Rusting is the name given to the oxidation of iron or steel in damp air. It is also called C orrosion .  Rust is hydrated iron (III) oxide. It is a …

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FIRE FIGHTING. Form One

FIRE FIGHTING.

Muzoh December 06, 2019

Firefighting is the act of extinguishing destructive fires. A firefighter fights these fires to prevent destruction of life, property and the environ…

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COMBUSTION. Form One

COMBUSTION.

Muzoh December 05, 2019

Combustion of a substance in oxygen or air is so common that it becomes almost a habit to use the word "combustion" as if it referred to th…

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AIR. Gas

AIR.

Muzoh December 04, 2019

Composition of air. Air is a mixture of different gases. The gases that make up the air include nitrogen, oxygen, carbon dioxide, noble gases (argo…

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THE SCIENTIFIC PROCEDURE Scientific Procedures

THE SCIENTIFIC PROCEDURE

Muzoh December 03, 2019

The scientific method (procedure) is a process that scientists use to ask questions and conduct investigations to find answers to these problems. It…

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HEAT SOURCES AND FLAMES heat

HEAT SOURCES AND FLAMES

Muzoh December 02, 2019

Heat sources Most chemical reactions require heat to proceed. It is therefore important to have sources of heat in a laboratory for heating various …

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