Which Poisonous Gas Has a Sweet Smell?
Acetylene is a colourless, poisonous gas with a sweet smell. It is also called ethyne and can be made from natural gas. This colourless…
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Chemicals
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 thi
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 det
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 limestone areas, some rock
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 element