What Is an Aerosol?
What Is an Aerosol? An aerosol consists of fine particles of liquid or solid substances suspended in the air, or in any other gas. It is not, as many people think,...
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What Is a Detergent?
What Is a Detergent? A detergent is a substance which has a power to cleanse. This description applies to soap, as well as to shampoos and washing powders. A detergent...
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What Is Hard Water and How Can It Be Treated?
What Is Hard Water and How Can It Be Treated? Hard water is water that contains certain dissolved chemical that act on soap to form a scum. If water comes from...
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Why Are Fertilizers Used on Farms?
Why Are Fertilizers Used on Farms? Fertilizers are used on farms to increase crop yields by ensuring that soils contain the chemical elements required by growing...
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Why Do Medicines Come in Different Forms?
Why Do Medicines Come in Different Forms? Sometimes it seems like there are more medicines than there are diseases, and it can be hard to keep them straight. Some...
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