Themes

• Water

  Water is the intrinsic part of the global ecosystem. It incorporates in the global water cycle an...

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Hands On Experiments

• Determination of pH of water sample by ‘pH paper test’

  pH is the measure of the acidic or basic nature of a solution. Its value ranges between zero to 1...

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Hands On Experiments

• Determination of hardness of water by ‘testing the lather produced with soap’

  Hardness of water is an important characteristic that is good if within permissible limits and no...

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Sub Themes

• Hardness of Water

  Water hardness is a measure of mineral ions present in it. Primarily the dissolved of Magnesium a...

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Sub Themes

• pH of Water

  pH is generally understood in terms of acidity or basicity (to which people sometimes get confuse...

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Hands On Experiments

• Determination of residual chlorine in water by ‘Ortho-Toluidine test’

  Chlorine is used as a disinfectant in drinking water supply, to kill the microbes and other patho...

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Sub Themes

• Transparency of Water

  Transparency of water relates to the depth in water up to which the light will penetrate. Since t...

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Sub Themes

• Bacterial Contamination (E. coli) in Water

  E. coli is type of fecal Coliform bacteria that are commonly found in the large...

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