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15 Cards in this Set
- Front
- Back
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Types of water |
Rain,spring,well, rain and so on |
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Which is the purest of water? And why |
Rain is the purest of water because condensation of water in atmosphere |
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Distilled water is prepared by |
Condensing stem using Liebig condenser |
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Name treatment of water for town supply |
Coagulation Filtration Sedimentation Disinfection |
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What substance helps to oxidize the impurities present in water |
Potassium tetraoxosulphate(vii) |
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Physical properties of water |
They boil at 100°c They freeze at 0°c They are odourless, colourless, and tasteless It's natural to litmus |
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What is hardness of water |
Hardness of water are water that doesn't have lather(bubbles) when in soap |
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Pure water can be produced by |
Burning of hydrogen with oxygen derived from air |
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Causes of hardness in water |
Calciumtetraxosulphate (VI) Magnesiumtetraoxosulphate(VI) Calciumhydrogentrioxocarbonte(iv Magnesiumhydrogentrioxocaarbonate(IV) |
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Types of hardness in water? |
Permanent and temporary hard water |
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Permanent hardness in water is caused by |
Calcium tetraoxosulphate VI Magnesium tetraoxosulphate vi |
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Permanent hardness in water |
Are hardness in water that can't be easily be removed by simple boiling |
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Permanent hardness (P.H)can be removed by( |
By addition of Washing soda(sodium trixocarbonate vi ) By distillation By caustic soda Ion exchange |
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Hard Water is able to slow lather solution in soap through? |
Ca^2+ |
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Distilled water is used for |
Car battery's Preparation of drugs Analytic work Industrial processes |
