Question

Why is the pH scale important in science? Give several examples of scientific applications.

Answer 1

Answer:

See the answer below

Explanation:

The pH scale is important in science because it gives an indication of how acidic or basic a solution is. The scale ranges from 0 - 14 with 0 being the most acidic and 14 being the most basic while a pH of 7 is a neutral pH.

The pH scale is widely applicable in several scientific applications such as in medicine/health, agricultural processes, industrial processes, environmental monitoring, research and development, etc.

In medicine, the pH of the stomach is monitored in order to make some diagnosis. The normal pH of the human stomach ranges from 1.5 - 3.5 and a major deviation from this range can give an indication of wrong health.

In agriculture, the pH condition of the soil on which crops are grown is quite important. While some crops require slightly acidic soil, some will only do well in alkaline soil. Hence, the pH condition of the soil must be monitored to ensure the optimal yield of crops.

Several industrial processes require the monitoring of pH in order to ensure product's quality or monitor some important reactions. In food industries, for example, monitoring the pH of reactions is necessary in order to prevent contamination by pathogens or ensure a good organoleptic quality of the final product. It is also necessary to monitor the pH of industrial wastewaters in order to avoid polluting the environment.

Monitoring pH is also important for environmental monitoring, The pH of various water bodies or soil can give an indication of the level of pollution in the water or the soil.

Answer 2

The pH can be defined as the concentration of the hydrogen ions in the sample. The determination of pH helps in the designing of the study and investigating the reactions.

Some of the examples for the scientific application of pH has been:

• The pH has application in medicines where it has been used for the determination of the pH of the stomach to test acidity, pH of the blood, pH of the urine for pathological investigations.

• The pH has been used in agriculture, for the determination of the soil sample, and the strength of the sample resulting in the crop analysis to be grown.

• The pH scale has application in the industrial process for the analysis of the compound formed and the reaction process.

• The pH scale in the environmental analysis helps for the analysis of the quality of the air, and other parameters study.

For more information about the pH importance, refer to the link:

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