what is ph scale and who invented it???

1.	what is ph scale and who invented it???
Answer» The ph scale for measurements hydrogen ion concentration in a solution is called ph scale.The ph scale has 1to 6 is acid and 8 to 14 is base and the 7 as normal.1to 3.5 is strong acid and 3.6 to 6 is week acid.8 to 10.5 is week base and 10.5 to 14 is strong acid.Acid has H–ion Ans base has oh+ion.Its my answer A scale for measuring hydrogen ion concentration in a solution is called ph scaleIt was invented by Danish chemist SØREN PEDER LAURITZ SØRENSENAT in 1924 See properly in textbook

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