Yes it is usually blue but when oxygen reacts with it , a chemical reaction occurs and turns a brownish red.
because it is a non metal so therefore it wouldn't react with anything
they react with different blood types!
Many plastics and glasses will not react with most acids.
Neon does not react with water. It doesn't react with anything.
what do they react to
no it is inactive
It's a noble gas; it doesn't react with much of anything.
No. They will not react. In fact helium does not react with anything.
yes
no shirheD
No. helium has completely filled orbitals and does not react with anything else.
In the sense that if you are bleeding (or another animal is bleeding) they will not attack or try to eat you. However, if they are bleeding they are in pain and will react from the pain, not the blood itself.