Chemistry is a branch of science. All chemicals are "science" chemicals. Please define and elaborate the question.
Yes if you define dangerous. Water is dangerous in the presence of potassium metal.
no
medvaa
curry
The number is much too long to list. You can ask about types or modes of action.
They are the European Unions designation of food additives. The list is long. Wikipedia has a pretty complete list. See Related Links.
peacock
No thanks, I already have one.
vagina
kiplin's one
buttcake
a lifeguard says; to always put a smile on your dile and about the chemicals you have to know that lifeguards have nothing to do with science... only saving peoples lives...