a teacher provided acetic acid and lemon juice and aqueous solution of sodium hydrogen carbonate and sodium hydroxide to student in the school laboratory to determine the ph values of these substance using ph paper one of the student reported the ph values of the given substance as 3 and 12 and4 and 8 and 14 respectively which one of these values is not correct
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Answer :
pH of water is given 12 but it's 7 as it's neutral in nature!!!
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The pH value of water content is given as 12.
This value is actually incorrect.
It is because the water content is neutral.
Hence, the pH value is seven.
It is significant to know that the pH value is an excellent indicator of if the water is soft or hard.
The exact pH value of water is 7.
Commonly, water with the pH value lower than seven is considered as acidic.
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