Question

What is PH scale? Importance of PH in Daily life Aryamenkil eee Question inn answer cheyane​

Answer 1

pH scale :-

A scale for measuring the hydrogen ion concentration in a solution is called pH scale.Higher the hydrogen ion concentration, lower is the pH value.

pH of a solution is defined as the negative logarithm (to the base 10) of the hydrogen ion concentration in the solution.

Role of pH in everyday day life :-

Human blood, tears and saliva have a pH range of 7.0 to 7.8, which is optimum for survival.

For gardening and farming, the best crops are usually obtained with neutral or acidic soil (pH — 6.5 to 7.0). Below pH 6.5, the soil is not suitable for normal growth of plants.

Answer 2

$\huge\rm\underline\purple{Answer:-}$In chemistry, pH is a scale used to specify the acidity or basicity of an aqueous solution. Lower pH values correspond to solutions which are more acidic in nature, while higher values correspond to solutions which are more basic or alkaline. At room temperature, pure water is neutral and has a pH of 7.[/tex]

Importance :

[tex]Soil pH and plant growth: Most of the plants grow best when the pH of the soil is close to 7. If the soil is too acidic or basic, the plants grow badly or do not grow at all. ... Chemicals can be added to soil to adjust its pH and make it suitable for growing plants.[/tex]

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