Answer:

Liquid & Liquid; There are 2 liquids that mixed together to form a solution || its hard to distinguish which liquids are mixed together, example; alcohol in water

Gas in liquid; There is a gas dissolved in a liquid, where the gas are tiny air pockets in a liquid || You can sometimes see tiny bubbles in the liquid, example; A carbonated beverage

Liquid in gas; The tiny particles of a liquid is in a gas || You cannot see the liquid particles, but you can feel it. example; Humid Air (Water in air)

Solid in solid; There is molecules of a solid dissolved in another solid, this is achieved by melting them before mixing them || They form another substance called an "alloy" which is sometimes stronger than the solute and solvents alone. Example; Bronze (Tin in copper)

Gas in gas; The small particles of a gas combine with another gas || The particles are so small that we cannot even see them. Example; Air (Oxygen with nitrogen + many other gasses)

Explanation: