In pH value p stands for power and H stands for Hydrogen.The pH scale measures how acidic or basic a substance is. The pH scale ranges from 0 to 14. A pH of 7 is neutral. A pH less than 7 is acidic. A pH greater than 7 is basic.Lots of exams ask questions regarding to ph values of substance.There are some ph values of Substance.
ph value of Milk 6.5 – 6.7
ph value of Pure water 7
ph value of Human blood 7.35 – 7.45
ph value of Sea water 7.5 – 8.4
ph value of Ammonia 10.6 to 11.6
ph value of Human urine 6
ph value of Black coffee 5
ph value of Beers 4.5
ph value of Wines 2.8 to 3.8
ph value of Vinegar 2.9
ph value of Lemon juice 2.4
ph value of Normal rain 5.6 to 6
ph value of Acid rain 2 to 5.6
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