Question

give an example of solution in which solute is solid and solvent is gas

Answer 1

Answer:

.. Dust particles present in air along with other gases is an example of solid gas mixture. Carbon Dioxide can be a solid and sublimates to a gas. Often there are CO2 bubbles trapped in solid carbon dioxide.

Answer 2

As the name signifies, a solid solution is one in which solvent is solid.

So considering this aspect absorption of hydrogen over platinum or palladium is an example of such solution. Platinum or palladium is used as a catalyst in hydrogenation processes.