Supriya N

Water as a Solvent

Water is a solvent that dissolves a variety of substances. It is considered the universal solvent because it can dissolve compounds (like polar molecules and ions) than the available solvents. Its physical and chemical attributes make it an excellent solvent. The chemical formula of water is H2O, i.e. it contains two H-atoms and one O-atom. …

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Difference Between Polyp and Medusa

The difference between polyp and medusa relies upon motility and shape. Members of the phylum Cnidaria have two different forms of individuals or zooids (polyp and medusa). Polyps are the sessile or fixed individuals, while medusae are motile or free-swimming zooids. Polyps appear more or less cylindrical, whereas medusae appear umbrella-shaped. Cnidarians can exist as …

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Types of Hydroponic Systems

Hydroponic systems cultivate plants in nutrient-rich water with or without using non-soil growing media around the root system. It includes deep water culture, wick system, Ebb and flow, nutrient film technique, drip system and aeroponics. For the commercial production of plants through hydroponics, a greenhouse is recommended best to cultivate plants like tomatoes, peppers, lettuces, …

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