
Draw a neat and labelled diagram of scale.
Answer
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Hint : We all are familiar with the term and scale. scale is a scale of acidity and basicity which tells about the acidic and alkaline behaviour of substance .
Complete answer:
> On the scale the value ranges from to . So the more acidic solution will have lower and neutral solutions will have equal to and more than acidic nature decreases and alkaline nature increases .Since is defined as the negative of the base logarithm of the concentration of hydrogen ion ; means is a measure of the concentration of ion in the solution.
> The value can be less than zero which indicates very strong acid and value greater than for a very strong base. A solution where are more ions than then the solution is acidic and in neutral solution there are equal number of ions and ions. scale has a variety of applications in agriculture, research development, water treatment, environmental monitoring, in quantitative measurement and industrial processing. values are affected by temperature so applications need to form some temperature compensation to insure standardizes of values. We use indicators to check the nature of the solution but it does not give precise value of because it just changes colour while pH measurement meters used nowadays give an exact value of .
Note : Hence scale gives information about the acidity and alkalinity of any substance and it ranges from to . scale is also called the -acid-base scale. Solutions which are neither acidic nor basic are . So is a measure of the hydrogen ion activity in aqueous solution.
Complete answer:
> On the

Note : Hence
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