Phosphours

Discover of Phosphours

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Phosphorus discovery history Each of the 103 chemical elements…
Dmitri Mendeleev

The beginning of Chemistry

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 Ancient Egyptians  Men were making use of chemistry long…
NOMENCLATURE

Chemical Formulas - Nomenclature

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IUPAC Systematic chemical names of inorganic compounds were…

What is distilled Water?

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For ordinary lab use, water is distillated in a copper vessel…
Permutit process

Removal of Permanent Hardness of water

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It is not easy to remove permanent hardness of water as temporary…
water

Removal of Temporary Hardness of Water

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Temporary hardness of water can be removed easily. The following…
Hard and soft water

Types of Water

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There are usually two types of water. They are: a) Hard…
air

Air

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Air is a mixture of different gases and water vapour. It covers…
solubility

Solubility of Substance

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 Scientists have found that all the substances of same weight…