A group of ants is called a colony, or an army of ants.he word ant is derived of a long line of words used throughout history to describe an ant. Ant comes from the Middle English word ante which derives from the Old En â¦ glish word aemette, Ã¦mette which is derived from The Old High german word, Ämeiza which is derived from The West germanic word. amaitjo
Calculate the extent of change in pH obtained during the experiment. A4. This will partly depend upon the students results. For our graph the milk went through a change in pH of 1.95 (6.75 - 4.8). Q5. What do you think will be the result of incubating UHT milk over the same time period? A5.
If you think back to high school chemistry class, you may recall that pH is an abbreviation for potential hydrogen. A pH number measures from 0 to14 how acidic or alkaline a liquid is -- anything above 7 is alkaline and anything below 7 is acid. Water has a pH level of 7 -- it's neutral, meaning it has the same amount of acids and alkalis, which balance each other out. When you're thinking about liquids in terms of their pH levels, going up or down one number on the scale represents a tenfold change in the acidity or alkaline nature of a liquid. For example, the pH level of milk is around 6. Because the pH level of water is 7, milk is 10 times more acidic than water. Vinegar has a pH of about 3, making it 40 times more acidic than water [source: Carpi].