Activated charcoal traps impurities in water including solvents, pesticides, industrial waste and other chemicals. This is why itâs used in water filtration systems throughout the world. However, it doesnât trap viruses, bacteria and hard-water minerals.
A proper noun or proper name is a noun representing unique entities (such as India, Jupiter, Harry, or BMW), as distinguished from common nouns which describe a class of entities (such as city, animal, planet, person or car).
Are proper nouns part of the language in which they are used[edit] I have changed the lead slightly to emphasise the point that a proper noun is part of the language in which it is used. This follows discussion at Talk:Kraft Dinner#Requested move 2011 in which this has been disputed.