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Sodium hydroxide has the formula, NaOH and is also known as caustic soda or lye. It is extremely alkali and has a ph of 12. It is one of the strongest alkaline chemicals. It is very caustic and when in contact with the skin, can leave burns. It can decompose the lipids and proteins in skin and can leave scars. It is very dangerous to the eyes. Sodium hydroxide can dissolve in water. It is a metallic base. It is used in drain cleaners, soaps, detergents and in the manufacture of paper and textiles.
It is pH 12 and it is a caustic soda.
ranges from 12-14
Now water is neutral compound as we all know. and Sodium hydroxide is an alkaline or base.
If NaOH is added to water, then the solution will become basic in nature. Now the strength of a basic solution is given by its pOH value (it is opposite to pH)
pOH = -log [OH]
So the strength of the solution is directly proportional to the amount of NaOH added.
if more NaOH is added it will become more basic.
[Note: less the pOH greatre will be the basic strength. it sis like pH but they are opposite, if pH is high then the soltuion is less basic and vise versa.
there is a relation, pH + pOH = 14, pOH= 14-pH, so we can see that if pH is increased the pOh value decreases whcih indicates that the solution is more basic]
hope ity has help you
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