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PH

A measure of acidity of aqueous solutions; the negative of the common logarithm of the hydrogen ion concentration, -log(H+). Values below 7 are acidic; values above 7 are alkaline.

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pH
Personal care products; Skin care

PH is an abbreviation for percentage of hydrogen. In cosmetics, it measures the level of acidity.

pH
Natural environment; Coral reefs

The logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where ...

pH
Building materials; Wood flooring

The measure of hydroxyl (OH-) or hydrogen (H+) ions in a solution. Acids contain varying levels of hydrogen ions, bases contain hydroxyl ions. A pH of 7 is neutral, but for ...

pH
Anthropology; Cultural anthropology

The measurement of acidity or alkalinity. A ph of 7 is neutral; less than 7 is acid; greater than 7 is basic or alkaline.

pH
Biotechnology; Genetic engineering

A measure of acidity and alkalinity. Equal to the log of the reciprocal of the hydrogen ion concentration of a solution, expressed in grams per litre. A reading of 7 is neutral ...

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Biology; Biochemistry

The body parts of animals which contain calcium as shells, bones and exoskeleton and they protect the animals, are called as calcareous.

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Biology; Biochemistry

Humus is a dark material in the soil that is formed from decaying plants and leaves.

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Biology; Biochemistry

A blood cell that carries oxygen and carbon dioxide to all body tissues is called as red blood cell.

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Biology; Biochemistry

Anything that has gone bad; smelly; decayed; evil; unpleasant which is likely to break due to rot is called as rotten.

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Biology; Biochemistry

Needing or using oxygen to live.Living things that can exist only in environments that contain oxygen are aerobic.

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