It changes color.
AND
It is any form of red
it changes color
it changes color
it change color
It changes color
It changes color.
It changes color.
it changes color
M8 paper turns red or pink when it comes in contact with liquid nerve or blister agents. This color change indicates the presence of these chemical warfare agents.
It will change colours. Yellow to brown for G (nerve) agents, red to purple for H (blister) agents, and green to black for V (nerve) agents.
It changes colour.
Olive DRAB (Dust Recognizable as Blister agent) is a chemical powder that changes color when it comes in contact with liquid nerve or blister agents. It is used as a protective measure to detect the presence of these harmful substances. The color change serves as an indicator and can help identify the presence of chemical warfare agents.
A persistent agent. Any of the classes of chemical agents - nerve, blood, blister and so on - can be made into a persistent agent.