▪ ️ What is the pH value of water = 7

 

▪️ What is the pH value of milk = 6.4

 

▪️ What is the pH of vinegar  = 3

 

▪️ pH value of human blood = 7.4

 

▪️ Lemon  pH value of carrot juice = 2.4

 

▪️ pH value of NaCl​ = 7

 

▪️ Who discovered the scale of pH​ = Sorensen

 

▪️ What is the pH value of an acidic solution = less than 7

 

▪️ pH value of neutral solution = 7

 

▪️ pH value of alcohol = 3.5

 

▪️ pH value of human urine = 4.8 - 8.4

 

▪️ pH value of sea water = 8.1

 

▪️ pH value of tears = 7.4

 

▪️ pH value of human saliva = 6.5 - 7.5