Milk tastes sour when kept in the open for sometime due to the formati

1.	Milk tastes sour when kept in the open for sometime due to the formation of
Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/lactic-2153374" style="font-weight:bold;" target="_blank" title="Click to know more about LACTIC">LACTIC</a> acid</p><br/><br/><p>Like <a href="https://interviewquestions.tuteehub.com/tag/many-554478" style="font-weight:bold;" target="_blank" title="Click to know more about MANY">MANY</a> other things, milk <a href="https://interviewquestions.tuteehub.com/tag/contains-11473" style="font-weight:bold;" target="_blank" title="Click to know more about CONTAINS">CONTAINS</a> bacteria, Milk also naturally contains a kind of sugar known as “lactose.” The bacteria that live in milk get energy from this special sugar and <a href="https://interviewquestions.tuteehub.com/tag/use-1441041" style="font-weight:bold;" target="_blank" title="Click to know more about USE">USE</a> it to reproduce to make even more bacteria. When the bacteria use the lactose <a href="https://interviewquestions.tuteehub.com/tag/sugars-1233820" style="font-weight:bold;" target="_blank" title="Click to know more about SUGARS">SUGARS</a> to reproduce, they change it from “lactose sugar” into “lactic acid,” which tastes sour.</p></body></html>

Milk tastes sour when kept in the open for sometime due to the formation of