[Answer] Chemicals in the __ Class are liquid which even in small quantites are liable to ignite within five minutes after coming into contact with air

Answer: Pyrophoric Liquid

Most relevant text from all around the web:

Chemicals in the __ Class are liquid which even in small quantites are liable to ignite within five minutes after coming into contact with air Chemicals in the __ Class are liquid which even in small quantites are liable to ignite within five minutes after coming into contact with air Chemicals in the __ Class are liquid which even in small quantites are liable to ignite within five minutes after coming into contact with air Chemicals in the __ Class are liquid which even in small quantites are liable to ignite within five minutes after coming into contact with air A liquid or solid that even in small quantities and without an external ignition source can ignite within five minutes after coming in contact with air . -6 Chemicals in the _____ class are liquids which even in small quantities are liable to ignite within five minutes after coming into contact with air . Pyrophoric Liquid (6) The _______ pictogram is used to warn about the oxidizer class of chemical haz...

Disclaimer: 

Our tool is still learning and trying its best to find the correct answer to your question. Now its your turn, "The more we share The more we have". Comment any other details to improve the description, we will update answer while you visit us next time...Kindly check our comments section, Sometimes our tool may wrong but not our users.

Are We Wrong To Think We're Right? Then Give Right Answer Below As Comment