Unknown Substance A Unknown Substance B
Unknown Substance C
Flame color
While combusting the flame was
yellow and orange
Flame made a dark blue cone with a
smaller light blue cone in the middle
Flame was dark blue but had many
flashes of yellow and orange within it
Presence of When holding a test tube over the

Carbon Soot flame, there was a dark ash/powder
that formed on the test tube
When holding a test tube over the
flame, there was no noticeable
ash/powder that formed on the test
tube
When holding a test tube over the
flame, there was a small amount of
dark ash/powder that formed on the
test tube
Using the student's observations, which of the unknown substances experienced complete combustion and which experienced
incomplete combustion? Explain.

NEED HELP ASAP PLZZ