the P.H. value of fresh water is 7 & the P.H. value of saline water is less than 7.
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It is called "fresh water" (rather than salt water, or brackish water which has substantially more salt in it).
Yes, brackish water is typically less saline than ocean water. Brackish water is a mix of fresh and saltwater, with a salinity level that falls between that of freshwater and seawater. Ocean water is usually more saline due to the higher salt content.
Drinking saline water is not safe for human consumption as it can lead to dehydration and other health issues. It is important to drink clean, fresh water to stay healthy.
immediately wash it with fresh water or saline solution.
Mongroves aren't usually in fresh water as they are adapted to live in brackish water. They prefer a more saline environment which helps them to grow more easily.
The resistivity of deionized water is high, meaning it is a good insulator. It is higher than the resistivity of tap water or seawater, which have more dissolved ions and conduct electricity better.
The resistivity of water can be measured by using a device called a conductivity meter, which measures the electrical conductivity of the water. The higher the electrical conductivity, the lower the resistivity of the water.