melting point will definitely distinguish them since the melting point of acetaminophen is about 169 - 172 and ibuprofen is 75-78. You can also do an NMR spectroscopy and count the number of protons that you see.
propanol and propanone - tollens test
She could easily distinguish her sister's laughter from the rest of the crowd.
distillation, precipitation, transpiration
There are many different tests that can be used to identify different metals. Using a magnet is a popular test to distinguish metals.
bromine water
To distinguish between pericarditis and a heart attack.
cinoda test
with water ethanol is soluble while methane is in soluble
would test a chemical pproperty of a metal object
acetaminophen may produce false-positive test results for urinary 5 hydroxyindoleacetic acide
irregular shapes of metals
what are physical and chemical tests to differentiate between meat of dead animals and live slaughtered animals?