I think you are referring to warning agents. Smells added to things like natural gas for safety reasons; otherwise, you would not be aware of a leak.
Example: polar solutes are dissolved in polar solvents, nonpolar solutes are dissolved in nonpolar solvents; this is a general rule but not absolute.
Account Batch Warning
Non-ionic solvents, as organic solvents.
"Warning."
What warning letters are you referring to?
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solvents are sniffed only
the answer is your mom and dad
It all depends which warning lights are on?!
Brake system warning light.....