Which of the following is an example of liquid-gas homogeneous mixture?
Moisture in air
The explanation for the correct option:
(C) Moisture in the air
The explanation for incorrect options:
(A) Water in sponge
(B) Oil in water
(D) Hydrogen in palladium
All these options are not representing a Homogenous mixture. i.e. Heterogenous mixture.
Hence, Option C is correct.