Step 3 wipe some tile adhesive remover over the surface of the wall.
How to remove old tile adhesive from plaster wall.
Apply some water to a small section of the adhesive.
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.
Apply an adhesive removing paste to the wall.
This can be accomplished using a pry bar to peel off the larger chunks.
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.
Scrape the surface of the adhesive with a stiff bristle brush.
If the adhesive is not cement based you could try sprinkling water to the wall to ease the scrapping process.
You will then have to pry off the leftover residue.
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.
If the adhesive used was organic mastic the water will begin to soften it allowing you to.
If any adhesive gets stuck to the brush remove it by hand and continue until no more adhesive remains on the wall.
Usually when you chisel the tiles off most of the thin set mortar will be removed with it.