Question

question below

Answer 1

All of the following are examples of solutions except
salt water.
sugar.
air.
brass.

Answer 2

salt water contains a homogeneous mixture of salt and water
so it s a solution

air is a homogeneous mixture different gases like oxygen, carbon dioxide etx
so it is also a solution

Answer 3

what's brass?

Answer 4

brass is an alloy, homogeneous mixture of different elements
so it is also a solution

Answer 5

only answer left is air :)

Answer 6

didn't i say air is a solution earlier ?

Answer 7

nvm i do not read at all

Answer 8

i meant sugar

Answer 9

Yes, sugar is just sugar. It is not mixture of different things.
So sugar is not a solution