NOT NECESSARILY A BAD SMELL-writer of question
Arsenic does have a particular smell that is almost natural. Some people however cannot smell the smell that arsenic has.
there color and smell is diffrent from certain other flowers.
Only able to buy houses in certain areas
some houses are stronger than others and sometimes earthquakes hit in certain spots to make the effect on a house different when you in a bad area
color is a reflection of certain portions of the visual spectrum, because color is light, it can not be smelled. Yes some people can smell color, it is called synesthesia
Yes, eggshells do have a smell if you leave it out for a certain time.
Somebody must to have spill the syrup, if is not clean up that smell will last for months.
Only able to buy houses in certain areas
You can smell some pollution, not all. Your nose is a very sensitive chemical sensor. Molecules of esters, aldehydes and some inorganic gases activate the nose and we identify the reaction as a smell. The nose however can be fooled. H2S dulls the sense of smell after it reaches a certain level. The ability to smell CS2 and the "asparagus smell" in urine is not present is some people. Other pollutants like CO, CO2 and methane are odourless to all.
my feet smell like cheese
A certain smell, such as violets and roses or even diesel perfume A certain smell, such as violets and roses or even diesel perfume
Water does not contain a certain taste or smell.