Question

Give the characteristic test for the following gases: a)CO2 b)SO2 c)H2 d)O2

Answer 1

Here are the specific tests for these gases:

a) CO2------it puts out a burning splint exposed to it.
b)SO2........turns potassium dichromate from orange to green.
c)H2...........this gas burns with a pop sound.
d)O2...........relights a glowing splint.