40. Give the characteristic tests for the following gases
(a) CO2
(b) SO2
(c) O2
(d) H2
Answers
Answered by
0
So2 might be the answer
Answered by
1
(a) On passage of lime water , it turns milky.
(b) On passage of K2Cr2O7 paper, it turns from orange to green.
(c) On passage of alkaline pyrogallol solution from brown to colourless.
(d) On passage of wooden splinter , it is extinguished.
(b) On passage of K2Cr2O7 paper, it turns from orange to green.
(c) On passage of alkaline pyrogallol solution from brown to colourless.
(d) On passage of wooden splinter , it is extinguished.
Similar questions