What is the percentage of water in saliva?
50%
75%
Almost all of it.
99%
Saliva is an acidic fluid containing about 99% water and the remaining is salts, mucus and an enzyme salivary amylase also called as ptyalin.
In a mixture of milk and water the proportion of water by weight was 75%. If in 60 gm of mixture 15 gm water was added, what would be the percentage of water ? (Weight in gm)