Question

a gas jar containing a brown gas is kept inverted over another jar filled with air after sometime second gas Jar is also filled with a brown colour red gas' what characteristic of particles of matter is being referred to here​

Answer 1

Answer:

When a gas jar containing colourless air is kept upside down over a gas jar full of brown-coloured bromine vapour, then after some time, the brown colour of bromine vapour spreads into the upper gas jar making both the gas jars appear brown in colour

Answer 2

Answer:

My answer as same as the first one