State whether the following statement is true or false:

Red brown bromine vapour diffuse into air in a gas jar but the colourless air molecules do not diffuse into bromine vapour.

Which of the two diffuses faster: a liquid or a gas?

Which of the two diffuses slower: bromine vapour into air or copper sulphate into water?

A bottle of perfume was opened in a room. The smell of its vapours spread in the entire room. Name the property of gases which is responsible for this behavior of perfume vapours.

If the fish is being fried in a neighbouring home, we can smell it sitting in our own home. Name the process which brings this smell to us.