V 30 - Colour Changing Dry Ice -Farbwechsel Durch Trockeneis

How does this work ?
Why do the chemicals change colour ?
Could someone plese explain it.

here are the liquids from right to left
water;universal indicator;btb;soap
sorry I dont knowwhat the third one is

hahaha cool!

Hi so cool. What are the liquids you used??? I am trying to do this as a science fair idea.

or food colourings

methane is just explosive lol

they aren't changing colors... looks like food coloring, and soap in the last one :P

soap, bromothymol blue, litmus, universal indicator and water.

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hhaha the bubbles..

the thing you mean is methane, hydrogen explodes, it doesn't burn

i know nvm you have to know what im talking about

it's not hydrogen, it's carbon dioxide

it says it right at the top of each one idiot.i hate when people act stupid for no reason

i think they added food coloring...

and water + ice + 5min = cold water lol

i only now right is soap with the foam is soap and this on the leften site is water

what are the 5 liquids?

sopey water + hydrogen gas = a big column of sope bubbls + match =cool

the one on the far left was soap mixed with water. ive done it before so i think i know :P

i like this think

that's cool..
i like it..=D

some more chemistry for yall:SUGAR+WATER=SUGAR WATER

sweeeeeeeeeet, thats awesome!

there was one vi where this one guy took the soap produced by dry ice and smushed it it wass cool!

Thanks!!!