5.1 Physical Characteristics of Water https://youtu.be/RF2vEFutDmo -Dead Sea Physical Characteristics of Water - cooling graph of water -heating graph of water -Effects of impurities (dissolved substances) on the physical properties of water -Water test -Composition of Water ; Water electrolysis -Evaporation of Water -Applications of Evaporation of Water in Daily Life -Comparison between evaporation and boiling 5.2 Solution and Rate of Solubility https://youtu.be/BClHJwlnYys -Comparison between dilute solution, concentrated solution and saturated solution. -Suspension -Solution and Suspension -Solubility -Rate of Solubility -The factors influence the solubility rate of substances -Colloid -Water as a Universal Solvent -Organic Solvents -The uses of organic solvents in daily life 5.3 Water Purification and Water Supply https://youtu.be/j5gM90jdyUM -Water Purification Method -The application of water purification methods in our daily life -Water purification and supply system...
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