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e. In chemistry, pH ( / piːˈeɪtʃ / pee-AYCH ), also referred to as acidity or basicity, historically denotes " potential of hydrogen " (or "power of hydrogen"). [1] It is a logarithmic scale used to specify the acidity or basicity of aqueous solutions. Acidic solutions (solutions with higher concentrations of hydrogen ( H+) ions) are ...
The Philippines is generally mountainous; uplands make up 65 percent of the country's total land area. [53]: 38 [201] The Philippines is an archipelagoof about 7,641 islands,[202][203]covering a total area (including inland bodies of water) of about 300,000 square kilometers (115,831 sq mi).
Brainly is an education company based in Kraków, Poland, with headquarters in New York City.It is an AI-powered homework help platform targeting students and parents. As of November 2020, Brainly reported having 15 million daily active users, making it the world's most popular education app. In 2024, FlexOS reported Brainly as the #1 Generative AI Tool in the education category and the #6 ...
What is the pH of saliva? The normal pH range for saliva is 6.2 to 7.6. Food and drink change the pH level of saliva. For example, bacteria in your mouth break down the carbohydrates you consume ...
Acidic water refers to water with a pH of less than 7 ().The pH of water indicates how acidic or basic (alkaline) it is. This measure can range from 0 to 14, with a pH of 7 being neutral ().While ...
pH is a measurement of electrically charged particles in a substance. It indicates how acidic or alkaline (basic) that substance is. The pH scale ranges from 0 to 14: Acidic water has a pH lower ...
The Philippines is an archipelago that comprises 7,641 islands, [8] and with a total land area of 300,000 square kilometers (115,831 sq mi), it is the world's fifth largest island country. [2] [3] [9] The eleven largest islands contain 95% of the total land area. The largest of these islands is Luzon at about 105,000 square kilometers (40,541 ...
Your blood has a normal pH range of 7.35 to 7.45.This means that blood is naturally slightly alkaline or basic. In comparison, your stomach acid has a pH of around 1.5 to 3.5.This makes it acidic.