This can be accomplished using a pry bar to peel off the larger chunks.
How to remove old tile adhesive from plaster wall.
I have started by removing the tiles from the walls but the plasterboard is now a mess with patches lumps of tile adhesive still stuck to it.
Look for a formula that is either made for ceramic tile.
Since not all will come off there will be an uneven layer of adhesive left behind.
Wait several minutes and use a large scrapper to remove the mastic.
Step 3 wipe some tile adhesive remover over the surface of the wall.
Apply some water to a small section of the adhesive.
How to remove ceramic tile glue from a wall.
Usually when you chisel the tiles off most of the thin set mortar will be removed with it.
Apply an adhesive removing paste to the wall.
If the adhesive is not cement based you could try sprinkling water to the wall to ease the scrapping process.
All the the tiles have been removed by bolster chisel and as you will all know the bare plasterboard is now a mess and i need it to be clean before i can start putting the new tiles up.
Irrespective of the adhesive formula you have to cover the floor with old cloths as to protect it from the residues which will fall off the wall.
If the adhesive used was organic mastic the water will begin to soften it allowing you to.