ACID, BASE AND SALT IN CHEMISTRY – JAMB & WAEC GUIDE – KEY POINTS
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9.0 DEFINITION OF ACID An acid is a substance which produces hydrogen ions (or protons), …
ENVIRONMENTAL POLLUTION IN CHEMISTRY – JAMB & WAEC GUIDE – KEY POINTS
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8.0 DEFINITION OF POLLUTION Pollution can be defined as the release of hazardous, toxic or …
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WATER IN CHEMISTRY – JAMB & WAEC GUIDE – KEY POINTS
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6.0 INTRODUCTION Water, often referred to as the “universal solvent”, is one of the most …
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AIR IN CHEMISTRY – JAMB & WAEC GUIDE – KEY POINTS
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5.0 DEFINITION AND COMPOSITION OF AIR Air is a mixture of gases, composed mainly of …
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CHEMICAL COMBINATION IN CHEMISTRY – JAMB & WAEC GUIDE – KEY POINTS
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DEFINITION OF CHEMICAL COMBINATION Chemical combination refers to the process by which two or more elements …