2007-12-07 08:14:30 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
There are several tests for gases.
there are tests for water vapor, a paper that turns color
glowing splint for oxygen., supports combustion
burning splint explodes for hydrogen.
burning splint goes out CO2
does it dissolve in water
does the water give an acid (HCl)or basic test(NH3)
odor H2S, and others
bubble through lime water(CO2) gets milky
check for pH with pHydron paper
some gases burn, CH4
color-fluorine is yellow, chlorine is greenish yellow, iodine gas is purple, bromine gas is brown, one of the nitrogen oxides is brown,
2007-12-07 09:42:05 · answer #1 · answered by science teacher 7 · 0⤊ 1⤋
If you're talking about the test in the high school science curriculum, then take put various splints in a tube of an unknown gas.
If the gas is oxygen (O2), it will relight a glowing splint.
If the gas is hydrogen (H2), it will put out a burning splint with a POP.
Other tests are possible too. If the gas is CO2, mixing it with limewater will cause it to go unclear.
2007-12-07 08:26:43 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Identifying Gases
2016-12-12 16:42:30 · answer #3 · answered by ? 4 · 0⤊ 0⤋
Determine if the gas is soluble in water or in acidic or basic solutions. See if it burns or if it supports combustion. Determine its color and odor. Compare its properties to other known gases. Determine its molar mass using the ideal gas law.
2007-12-07 08:21:26 · answer #4 · answered by hcbiochem 7 · 2⤊ 0⤋
MS for elements, GC-MS for compounds. Takes a couple of minutes. Gives you all the answers. And if you are a chemist you got that box around anyway. Why not use it?
2007-12-07 08:19:01 · answer #5 · answered by Anonymous · 0⤊ 0⤋
light a match
2007-12-07 08:16:56 · answer #6 · answered by Chelsea 5 · 0⤊ 1⤋